52391608 has 16 divisors (see below), whose sum is σ = 102505680. Its totient is φ = 25056768.

The previous prime is 52391597. The next prime is 52391609. The reversal of 52391608 is 80619325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52391609) 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, 142185 + ... + 142552.

It is an arithmetic number, because the mean of its divisors is an integer number (6406605).

Almost surely, 2^52391608 is an apocalyptic number.

It is an amenable number.

52391608 is a deficient number, since it is larger than the sum of its proper divisors (50114072).

52391608 is a wasteful number, since it uses less digits than its factorization.

52391608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284766 (or 284762 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 52391608 is about 7238.2047497981. The cubic root of 52391608 is about 374.1857485243.

The spelling of 52391608 in words is "fifty-two million, three hundred ninety-one thousand, six hundred eight".