52953921 has 12 divisors (see below), whose sum is σ = 78956800. Its totient is φ = 34163640.

The previous prime is 52953911. The next prime is 52953977. The reversal of 52953921 is 12935925.

It is a happy number.

It is not a de Polignac number, because 52953921 - 2¹⁰ = 52952897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52953911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94621 + ... + 95178.

Almost surely, 2^52953921 is an apocalyptic number.

It is an amenable number.

52953921 is a deficient number, since it is larger than the sum of its proper divisors (26002879).

52953921 is a wasteful number, since it uses less digits than its factorization.

52953921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189836 (or 189833 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 52953921 is about 7276.9444824047. The cubic root of 52953921 is about 375.5196848078.

It can be divided in two parts, 5295 and 3921, that added together give a square (9216 = 96²).

The spelling of 52953921 in words is "fifty-two million, nine hundred fifty-three thousand, nine hundred twenty-one".