52590394 has 16 divisors (see below), whose sum is σ = 81225000. Its totient is φ = 25519104.

The previous prime is 52590371. The next prime is 52590407. The reversal of 52590394 is 49309525.

It can be written as a sum of positive squares in 4 ways, for example, as 44823025 + 7767369 = 6695^2 + 2787^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41482 + ... + 42730.

Almost surely, 2^52590394 is an apocalyptic number.

52590394 is a deficient number, since it is larger than the sum of its proper divisors (28634606).

52590394 is a wasteful number, since it uses less digits than its factorization.

52590394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 52590394 is about 7251.9234689839. The cubic root of 52590394 is about 374.6584006245.

The spelling of 52590394 in words is "fifty-two million, five hundred ninety thousand, three hundred ninety-four".