54923564640 has 192 divisors, whose sum is σ = 209355922944. Its totient is φ = 11815477248.

The previous prime is 54923564599. The next prime is 54923564653. The reversal of 54923564640 is 4646532945.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 54923564640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423654 + ... + 537893.

It is an arithmetic number, because the mean of its divisors is an integer number (1090395432).

Almost surely, 2^54923564640 is an apocalyptic number.

It is an amenable number.

54923564640 is an abundant number, since it is smaller than the sum of its proper divisors (154432358304).

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

54923564640 is a wasteful number, since it uses less digits than its factorization.

54923564640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961589 (or 961581 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 54923564640 in words is "fifty-four billion, nine hundred twenty-three million, five hundred sixty-four thousand, six hundred forty".