52992890 has 32 divisors (see below), whose sum is σ = 97422480. Its totient is φ = 20749824.

The previous prime is 52992883. The next prime is 52992911. The reversal of 52992890 is 9829925.

It can be written as a sum of positive squares in 8 ways, for example, as 23843689 + 29149201 = 4883^2 + 5399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167012 + ... + 167328.

Almost surely, 2^52992890 is an apocalyptic number.

52992890 is a deficient number, since it is larger than the sum of its proper divisors (44429590).

52992890 is a wasteful number, since it uses less digits than its factorization.

52992890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 52992890 is about 7279.6215560975. The cubic root of 52992890 is about 375.6117776950.

The spelling of 52992890 in words is "fifty-two million, nine hundred ninety-two thousand, eight hundred ninety".