55807099328 has 14 divisors (see below), whose sum is σ = 110742212856. Its totient is φ = 27903549632.

The previous prime is 55807099319. The next prime is 55807099357. The reversal of 55807099328 is 82399070855.

55807099328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55807099328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435992900 + ... + 435993027.

Almost surely, 2^55807099328 is an apocalyptic number.

It is an amenable number.

55807099328 is a deficient number, since it is larger than the sum of its proper divisors (54935113528).

55807099328 is an equidigital number, since it uses as much as digits as its factorization.

55807099328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871985939 (or 871985929 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 55807099328 in words is "fifty-five billion, eight hundred seven million, ninety-nine thousand, three hundred twenty-eight".