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55745098816 = 2611226832
BaseRepresentation
bin110011111010101010…
…101011010001000000
312022212222020102121111
4303322222223101000
51403131221130231
641335310533104
74012262343661
oct637252532100
9168788212544
1055745098816
1121706722900
12a978b07194
13534509b294
1429ab749368
1516b3e2b4b1
hexcfaaab440

55745098816 has 63 divisors (see below), whose sum is σ = 121635013143. Its totient is φ = 25329237120.

The previous prime is 55745098793. The next prime is 55745098847. The reversal of 55745098816 is 61889054755.

It is a happy number.

The square root of 55745098816 is 236104.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20775811 + ... + 20778493.

Almost surely, 255745098816 is an apocalyptic number.

55745098816 is the 236104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55745098816

55745098816 is an abundant number, since it is smaller than the sum of its proper divisors (65889914327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55745098816 is an frugal number, since it uses more digits than its factorization.

55745098816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 55745098816 in words is "fifty-five billion, seven hundred forty-five million, ninety-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 704 968 1936 2683 3872 5366 7744 10732 21464 29513 42928 59026 85856 118052 171712 236104 324643 472208 649286 944416 1298572 1888832 2597144 5194288 7198489 10388576 14396978 20777152 28793956 57587912 79183379 115175824 158366758 230351648 316733516 460703296 633467032 871017169 1266934064 1742034338 2533868128 3484068676 5067736256 6968137352 13936274704 27872549408 55745098816