52548625921 has 16 divisors (see below), whose sum is σ = 58886052480. Its totient is φ = 46471726080.

The previous prime is 52548625891. The next prime is 52548625949. The reversal of 52548625921 is 12952684525.

It is a cyclic number.

It is not a de Polignac number, because 52548625921 - 2²³ = 52540237313 is a prime.

It is a super-2 number, since 2×52548625921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52548625951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3316065 + ... + 3331873.

It is an arithmetic number, because the mean of its divisors is an integer number (3680378280).

Almost surely, 2^52548625921 is an apocalyptic number.

It is an amenable number.

52548625921 is a deficient number, since it is larger than the sum of its proper divisors (6337426559).

52548625921 is a wasteful number, since it uses less digits than its factorization.

52548625921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24024.

The product of its digits is 1728000, while the sum is 49.

The spelling of 52548625921 in words is "fifty-two billion, five hundred forty-eight million, six hundred twenty-five thousand, nine hundred twenty-one".