52931407 has 4 divisors (see below), whose sum is σ = 53721496. Its totient is φ = 52141320.

The previous prime is 52931401. The next prime is 52931443. The reversal of 52931407 is 70413925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52931407 - 2¹⁹ = 52407119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52931401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394944 + ... + 395077.

It is an arithmetic number, because the mean of its divisors is an integer number (13430374).

Almost surely, 2^52931407 is an apocalyptic number.

52931407 is a deficient number, since it is larger than the sum of its proper divisors (790089).

52931407 is an equidigital number, since it uses as much as digits as its factorization.

52931407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790088.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52931407 is about 7275.3973774633. The cubic root of 52931407 is about 375.4664583519.

The spelling of 52931407 in words is "fifty-two million, nine hundred thirty-one thousand, four hundred seven".