52457745 has 16 divisors (see below), whose sum is σ = 84272832. Its totient is φ = 27864000.

The previous prime is 52457719. The next prime is 52457759. The reversal of 52457745 is 54775425.

It is not a de Polignac number, because 52457745 - 2⁶ = 52457681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (5267052).

Almost surely, 2^52457745 is an apocalyptic number.

It is an amenable number.

52457745 is a deficient number, since it is larger than the sum of its proper divisors (31815087).

52457745 is a wasteful number, since it uses less digits than its factorization.

52457745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14192.

The product of its digits is 196000, while the sum is 39.

The square root of 52457745 is about 7242.7719141224. The cubic root of 52457745 is about 374.3431345236.

The spelling of 52457745 in words is "fifty-two million, four hundred fifty-seven thousand, seven hundred forty-five".