55757161707 has 32 divisors (see below), whose sum is σ = 82488974400. Its totient is φ = 33286336512.

The previous prime is 55757161687. The next prime is 55757161753. The reversal of 55757161707 is 70716175755.

It is not a de Polignac number, because 55757161707 - 2¹² = 55757157611 is a prime.

It is a super-2 number, since 2×55757161707² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55757161707.

It is not an unprimeable number, because it can be changed into a prime (55757171707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32419 + ... + 335507.

It is an arithmetic number, because the mean of its divisors is an integer number (2577780450).

Almost surely, 2^55757161707 is an apocalyptic number.

55757161707 is a deficient number, since it is larger than the sum of its proper divisors (26731812693).

55757161707 is a wasteful number, since it uses less digits than its factorization.

55757161707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303247.

The product of its (nonzero) digits is 1800750, while the sum is 51.

The spelling of 55757161707 in words is "fifty-five billion, seven hundred fifty-seven million, one hundred sixty-one thousand, seven hundred seven".