52915557 has 8 divisors (see below), whose sum is σ = 70682976. Its totient is φ = 35212592.

The previous prime is 52915553. The next prime is 52915567. The reversal of 52915557 is 75551925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52915557 - 2² = 52915553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52915553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14163 + ... + 17504.

It is an arithmetic number, because the mean of its divisors is an integer number (8835372).

Almost surely, 2^52915557 is an apocalyptic number.

It is an amenable number.

52915557 is a deficient number, since it is larger than the sum of its proper divisors (17767419).

52915557 is a wasteful number, since it uses less digits than its factorization.

52915557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32227.

The product of its digits is 78750, while the sum is 39.

The square root of 52915557 is about 7274.3080083263. The cubic root of 52915557 is about 375.4289775327.

The spelling of 52915557 in words is "fifty-two million, nine hundred fifteen thousand, five hundred fifty-seven".