55858097640 has 64 divisors (see below), whose sum is σ = 167937960960. Its totient is φ = 14863166720.

The previous prime is 55858097639. The next prime is 55858097657. The reversal of 55858097640 is 4679085855.

55858097640 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, 449544 + ... + 560183.

It is an arithmetic number, because the mean of its divisors is an integer number (2624030640).

Almost surely, 2^55858097640 is an apocalyptic number.

It is an amenable number.

55858097640 is an abundant number, since it is smaller than the sum of its proper divisors (112079863320).

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

55858097640 is a wasteful number, since it uses less digits than its factorization.

55858097640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010202 (or 1010198 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 55858097640 in words is "fifty-five billion, eight hundred fifty-eight million, ninety-seven thousand, six hundred forty".