54521794625 has 8 divisors (see below), whose sum is σ = 68043199848. Its totient is φ = 43617435600.

The previous prime is 54521794597. The next prime is 54521794637. The reversal of 54521794625 is 52649712545.

It can be written as a sum of positive squares in 4 ways, for example, as 2179675969 + 52342118656 = 46687^2 + 228784^2 .

It is not a de Polignac number, because 54521794625 - 2³⁴ = 37341925441 is a prime.

It is a Duffinian 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, 218087054 + ... + 218087303.

It is an arithmetic number, because the mean of its divisors is an integer number (8505399981).

Almost surely, 2^54521794625 is an apocalyptic number.

It is an amenable number.

54521794625 is a deficient number, since it is larger than the sum of its proper divisors (13521405223).

54521794625 is an equidigital number, since it uses as much as digits as its factorization.

54521794625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436174372 (or 436174362 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

The spelling of 54521794625 in words is "fifty-four billion, five hundred twenty-one million, seven hundred ninety-four thousand, six hundred twenty-five".