54357646990 has 16 divisors (see below), whose sum is σ = 97850853648. Its totient is φ = 21741483456.

The previous prime is 54357646979. The next prime is 54357647017. The reversal of 54357646990 is 9964675345.

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, 46527 + ... + 332986.

It is an arithmetic number, because the mean of its divisors is an integer number (6115678353).

Almost surely, 2^54357646990 is an apocalyptic number.

54357646990 is a deficient number, since it is larger than the sum of its proper divisors (43493206658).

54357646990 is a wasteful number, since it uses less digits than its factorization.

54357646990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393843.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 54357646990 in words is "fifty-four billion, three hundred fifty-seven million, six hundred forty-six thousand, nine hundred ninety".