52899021 has 32 divisors (see below), whose sum is σ = 94284800. Its totient is φ = 28635120.

The previous prime is 52898959. The next prime is 52899043. The reversal of 52899021 is 12099825.

It is not a de Polignac number, because 52899021 - 2⁶ = 52898957 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52899221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3775 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (2946400).

Almost surely, 2^52899021 is an apocalyptic number.

It is an amenable number.

52899021 is a deficient number, since it is larger than the sum of its proper divisors (41385779).

52899021 is a wasteful number, since it uses less digits than its factorization.

52899021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766 (or 14760 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 52899021 is about 7273.1713165579. The cubic root of 52899021 is about 375.3898665371.

The spelling of 52899021 in words is "fifty-two million, eight hundred ninety-nine thousand, twenty-one".