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55790531903 = 241928124943
BaseRepresentation
bin110011111101010111…
…111111010100111111
312100000010201200002102
4303331113333110333
51403224334010103
641344012415315
74013353460651
oct637527772477
9170003650072
1055790531903
112172a334407
12a99017753b
135351617a72
1429b37b46d1
1516b7e02e88
hexcfd5ff53f

55790531903 has 8 divisors (see below), whose sum is σ = 56030310336. Its totient is φ = 55550822400.

The previous prime is 55790531899. The next prime is 55790531917. The reversal of 55790531903 is 30913509755.

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

It is a cyclic number.

It is not a de Polignac number, because 55790531903 - 22 = 55790531899 is a prime.

It is a super-2 number, since 2×557905319032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55790531603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224250 + ... + 2249192.

It is an arithmetic number, because the mean of its divisors is an integer number (7003788792).

Almost surely, 255790531903 is an apocalyptic number.

55790531903 is a deficient number, since it is larger than the sum of its proper divisors (239778433).

55790531903 is a wasteful number, since it uses less digits than its factorization.

55790531903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34465.

The product of its (nonzero) digits is 637875, while the sum is 47.

The spelling of 55790531903 in words is "fifty-five billion, seven hundred ninety million, five hundred thirty-one thousand, nine hundred three".

Divisors: 1 241 9281 24943 2236721 6011263 231495983 55790531903