54521750563 has 32 divisors (see below), whose sum is σ = 64636992000. Its totient is φ = 45962769888.

The previous prime is 54521750551. The next prime is 54521750573. The reversal of 54521750563 is 36505712545.

It is not a de Polignac number, because 54521750563 - 2²⁹ = 53984879651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54521750533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6515220 + ... + 6523582.

It is an arithmetic number, because the mean of its divisors is an integer number (2019906000).

Almost surely, 2^54521750563 is an apocalyptic number.

54521750563 is a deficient number, since it is larger than the sum of its proper divisors (10115241437).

54521750563 is an equidigital number, since it uses as much as digits as its factorization.

54521750563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696 (or 8682 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 54521750563 in words is "fifty-four billion, five hundred twenty-one million, seven hundred fifty thousand, five hundred sixty-three".