55145355304 has 64 divisors (see below), whose sum is σ = 117642067200. Its totient is φ = 24051143424.

The previous prime is 55145355277. The next prime is 55145355311. The reversal of 55145355304 is 40355354155.

It is a happy number.

55145355304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52762 + ... + 336265.

It is an arithmetic number, because the mean of its divisors is an integer number (1838157300).

Almost surely, 2^55145355304 is an apocalyptic number.

It is an amenable number.

55145355304 is an abundant number, since it is smaller than the sum of its proper divisors (62496711896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55145355304 is a wasteful number, since it uses less digits than its factorization.

55145355304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389122 (or 389118 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 55145355304 in words is "fifty-five billion, one hundred forty-five million, three hundred fifty-five thousand, three hundred four".