52542420025 has 24 divisors (see below), whose sum is σ = 67270694400. Its totient is φ = 40668086400.

The previous prime is 52542420017. The next prime is 52542420043. The reversal of 52542420025 is 52002424525.

It is not a de Polignac number, because 52542420025 - 2³ = 52542420017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5853741 + ... + 5862709.

It is an arithmetic number, because the mean of its divisors is an integer number (2802945600).

Almost surely, 2^52542420025 is an apocalyptic number.

It is an amenable number.

52542420025 is a deficient number, since it is larger than the sum of its proper divisors (14728274375).

52542420025 is a wasteful number, since it uses less digits than its factorization.

52542420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16569 (or 16564 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 52542420025 in words is "fifty-two billion, five hundred forty-two million, four hundred twenty thousand, twenty-five".