52054452021 has 48 divisors (see below), whose sum is σ = 83987934912. Its totient is φ = 28410969600.

The previous prime is 52054452007. The next prime is 52054452031. The reversal of 52054452021 is 12025445025.

It is not a de Polignac number, because 52054452021 - 2²⁵ = 52020897589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52054452021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52054452031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114831 + ... + 342483.

It is an arithmetic number, because the mean of its divisors is an integer number (1749748644).

Almost surely, 2^52054452021 is an apocalyptic number.

It is an amenable number.

52054452021 is a deficient number, since it is larger than the sum of its proper divisors (31933482891).

52054452021 is a wasteful number, since it uses less digits than its factorization.

52054452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227734 (or 227721 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 52054452021 its reverse (12025445025), we get a palindrome (64079897046).

The spelling of 52054452021 in words is "fifty-two billion, fifty-four million, four hundred fifty-two thousand, twenty-one".