55373586757 has 6 divisors (see below), whose sum is σ = 58441375878. Its totient is φ = 52459187112.

The previous prime is 55373586731. The next prime is 55373586791. The reversal of 55373586757 is 75768537355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54562419396 + 811167361 = 233586^2 + 28481^2 .

It is not a de Polignac number, because 55373586757 - 2²³ = 55365198149 is a prime.

It is a super-2 number, since 2×55373586757² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55373586695 and 55373586704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373583757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76694358 + ... + 76695079.

It is an arithmetic number, because the mean of its divisors is an integer number (9740229313).

Almost surely, 2^55373586757 is an apocalyptic number.

It is an amenable number.

55373586757 is a deficient number, since it is larger than the sum of its proper divisors (3067789121).

55373586757 is a wasteful number, since it uses less digits than its factorization.

55373586757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153389475 (or 153389456 counting only the distinct ones).

The product of its digits is 92610000, while the sum is 61.

The spelling of 55373586757 in words is "fifty-five billion, three hundred seventy-three million, five hundred eighty-six thousand, seven hundred fifty-seven".