52157470 has 32 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 19660320.

The previous prime is 52157467. The next prime is 52157507. The reversal of 52157470 is 7475125.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 41755 + ... + 42985.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^52157470 is an apocalyptic number.

52157470 is a deficient number, since it is larger than the sum of its proper divisors (47191010).

52157470 is a wasteful number, since it uses less digits than its factorization.

52157470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 52157470 is about 7222.0128773078. The cubic root of 52157470 is about 373.6275042913.

The spelling of 52157470 in words is "fifty-two million, one hundred fifty-seven thousand, four hundred seventy".