55453558830 has 32 divisors (see below), whose sum is σ = 133103689344. Its totient is φ = 14785932576.

The previous prime is 55453558829. The next prime is 55453558843. The reversal of 55453558830 is 3885535455.

It is a congruent number.

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, 175009 + ... + 376211.

It is an arithmetic number, because the mean of its divisors is an integer number (4159490292).

Almost surely, 2^55453558830 is an apocalyptic number.

55453558830 is an abundant number, since it is smaller than the sum of its proper divisors (77650130514).

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

55453558830 is a wasteful number, since it uses less digits than its factorization.

55453558830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210400.

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 55453558830 in words is "fifty-five billion, four hundred fifty-three million, five hundred fifty-eight thousand, eight hundred thirty".