55758057500 has 30 divisors (see below), whose sum is σ = 121931725608. Its totient is φ = 22303222000.

The previous prime is 55758057493. The next prime is 55758057539. The reversal of 55758057500 is 575085755.

55758057500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11149112 + ... + 11154111.

Almost surely, 2^55758057500 is an apocalyptic number.

55758057500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55758057500 is an abundant number, since it is smaller than the sum of its proper divisors (66173668108).

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

55758057500 is a wasteful number, since it uses less digits than its factorization.

55758057500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303247 (or 22303230 counting only the distinct ones).

The product of its (nonzero) digits is 1225000, while the sum is 47.

The spelling of 55758057500 in words is "fifty-five billion, seven hundred fifty-eight million, fifty-seven thousand, five hundred".