90054875075644 has 24 divisors (see below), whose sum is σ = 157870013672448. Its totient is φ = 44949204409200.

The previous prime is 90054875075639. The next prime is 90054875075657. The reversal of 90054875075644 is 44657057845009.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642509 + ... + 13520635.

It is an arithmetic number, because the mean of its divisors is an integer number (6577917236352).

Almost surely, 2^{90054875075644} is an apocalyptic number.

It is an amenable number.

90054875075644 is a deficient number, since it is larger than the sum of its proper divisors (67815138596804).

90054875075644 is a wasteful number, since it uses less digits than its factorization.

90054875075644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881425 (or 11881423 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 90054875075644 in words is "ninety trillion, fifty-four billion, eight hundred seventy-five million, seventy-five thousand, six hundred forty-four".