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55132220455 = 513848188007
BaseRepresentation
bin110011010110001000…
…101110110000100111
312021022020222222112221
4303112020232300213
51400402322023310
641154414453211
73661141066414
oct632610566047
9167266888487
1055132220455
1121421779264
12a827804207
135278113970
1429501ad10b
15167a217ada
hexcd622ec27

55132220455 has 8 divisors (see below), whose sum is σ = 71247792672. Its totient is φ = 40713024288.

The previous prime is 55132220411. The next prime is 55132220461. The reversal of 55132220455 is 55402223155.

55132220455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55132220455 is a prime.

It is a super-3 number, since 3×551322204553 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55132220455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424093939 + ... + 424094068.

It is an arithmetic number, because the mean of its divisors is an integer number (8905974084).

Almost surely, 255132220455 is an apocalyptic number.

55132220455 is a deficient number, since it is larger than the sum of its proper divisors (16115572217).

55132220455 is a wasteful number, since it uses less digits than its factorization.

55132220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848188025.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 55132220455 in words is "fifty-five billion, one hundred thirty-two million, two hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 13 65 848188007 4240940035 11026444091 55132220455