52387751 has 16 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 46966368.

The previous prime is 52387747. The next prime is 52387763. The reversal of 52387751 is 15778325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52387751 - 2² = 52387747 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 (52387781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109130 + ... + 109608.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^52387751 is an apocalyptic number.

52387751 is a deficient number, since it is larger than the sum of its proper divisors (5673049).

52387751 is a wasteful number, since it uses less digits than its factorization.

52387751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its digits is 58800, while the sum is 38.

The square root of 52387751 is about 7237.9383114254. The cubic root of 52387751 is about 374.1765659478.

The spelling of 52387751 in words is "fifty-two million, three hundred eighty-seven thousand, seven hundred fifty-one".