52901921 has 4 divisors (see below), whose sum is σ = 52945200. Its totient is φ = 52858644.

The previous prime is 52901873. The next prime is 52901929. The reversal of 52901921 is 12910925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52901921 - 2⁶ = 52901857 is a prime.

It is a super-2 number, since 2×52901921² = 5597226490980482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52901929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19751 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (13236300).

Almost surely, 2^52901921 is an apocalyptic number.

It is an amenable number.

52901921 is a deficient number, since it is larger than the sum of its proper divisors (43279).

52901921 is a wasteful number, since it uses less digits than its factorization.

52901921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43278.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 52901921 is about 7273.3706766533. The cubic root of 52901921 is about 375.3967262149.

The spelling of 52901921 in words is "fifty-two million, nine hundred one thousand, nine hundred twenty-one".