57088490790 has 32 divisors (see below), whose sum is σ = 144223557120. Its totient is φ = 14422355424.

The previous prime is 57088490713. The next prime is 57088490791. The reversal of 57088490790 is 9709488075.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 57088490790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57088490791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50077054 + ... + 50078193.

It is an arithmetic number, because the mean of its divisors is an integer number (4506986160).

Almost surely, 2^57088490790 is an apocalyptic number.

57088490790 is an abundant number, since it is smaller than the sum of its proper divisors (87135066330).

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

57088490790 is a wasteful number, since it uses less digits than its factorization.

57088490790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100155276.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 57088490790 in words is "fifty-seven billion, eighty-eight million, four hundred ninety thousand, seven hundred ninety".