52591388 has 12 divisors (see below), whose sum is σ = 92929200. Its totient is φ = 26040192.

The previous prime is 52591367. The next prime is 52591403. The reversal of 52591388 is 88319525.

52591388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63413 + ... + 64236.

It is an arithmetic number, because the mean of its divisors is an integer number (7744100).

Almost surely, 2^52591388 is an apocalyptic number.

It is an amenable number.

52591388 is a deficient number, since it is larger than the sum of its proper divisors (40337812).

52591388 is a wasteful number, since it uses less digits than its factorization.

52591388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127756 (or 127754 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 52591388 is about 7251.9920022019. The cubic root of 52591388 is about 374.6607610562.

The spelling of 52591388 in words is "fifty-two million, five hundred ninety-one thousand, three hundred eighty-eight".