55373177607 has 24 divisors (see below), whose sum is σ = 81186509040. Its totient is φ = 33545635200.

The previous prime is 55373177599. The next prime is 55373177623. The reversal of 55373177607 is 70677137355.

It is a happy number.

It is not a de Polignac number, because 55373177607 - 2³ = 55373177599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55373177607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373177207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884869 + ... + 945377.

It is an arithmetic number, because the mean of its divisors is an integer number (3382771210).

Almost surely, 2^55373177607 is an apocalyptic number.

55373177607 is a deficient number, since it is larger than the sum of its proper divisors (25813331433).

55373177607 is a wasteful number, since it uses less digits than its factorization.

55373177607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63055 (or 63044 counting only the distinct ones).

The product of its (nonzero) digits is 3241350, while the sum is 51.

The spelling of 55373177607 in words is "fifty-five billion, three hundred seventy-three million, one hundred seventy-seven thousand, six hundred seven".