52639377 has 24 divisors (see below), whose sum is σ = 81932256. Its totient is φ = 29973888.

The previous prime is 52639369. The next prime is 52639403. The reversal of 52639377 is 77393625.

It is a happy number.

It is not a de Polignac number, because 52639377 - 2³ = 52639369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52639357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63238 + ... + 64064.

It is an arithmetic number, because the mean of its divisors is an integer number (3413844).

Almost surely, 2^52639377 is an apocalyptic number.

It is an amenable number.

52639377 is a deficient number, since it is larger than the sum of its proper divisors (29292879).

52639377 is a wasteful number, since it uses less digits than its factorization.

52639377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1270 counting only the distinct ones).

The product of its digits is 238140, while the sum is 42.

The square root of 52639377 is about 7255.2999248825. The cubic root of 52639377 is about 374.7746842034.

It can be divided in two parts, 526 and 39377, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 52639377 in words is "fifty-two million, six hundred thirty-nine thousand, three hundred seventy-seven".