52940394 has 24 divisors (see below), whose sum is σ = 123528132. Its totient is φ = 16289280.

The previous prime is 52940383. The next prime is 52940413. The reversal of 52940394 is 49304925.

52940394 = 2012² + 2013² + ... + 2024².

52940394 is a `hidden beast` number, since 529 + 40 + 3 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52751169 + 189225 = 7263^2 + 435^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112887 + ... + 113354.

Almost surely, 2^52940394 is an apocalyptic number.

52940394 is an abundant number, since it is smaller than the sum of its proper divisors (70587738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52940394 is a wasteful number, since it uses less digits than its factorization.

52940394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226262 (or 226259 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 52940394 is about 7276.0149807432. The cubic root of 52940394 is about 375.4877067706.

The spelling of 52940394 in words is "fifty-two million, nine hundred forty thousand, three hundred ninety-four".