52557415 has 8 divisors (see below), whose sum is σ = 65811168. Its totient is φ = 40217760.

The previous prime is 52557409. The next prime is 52557419. The reversal of 52557415 is 51475525.

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

It is not a de Polignac number, because 52557415 - 2⁵ = 52557383 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 (52557419) 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, 228396 + ... + 228625.

It is an arithmetic number, because the mean of its divisors is an integer number (8226396).

Almost surely, 2^52557415 is an apocalyptic number.

52557415 is a deficient number, since it is larger than the sum of its proper divisors (13253753).

52557415 is a wasteful number, since it uses less digits than its factorization.

52557415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457049.

The product of its digits is 35000, while the sum is 34.

The square root of 52557415 is about 7249.6493018628. The cubic root of 52557415 is about 374.5800691898.

The spelling of 52557415 in words is "fifty-two million, five hundred fifty-seven thousand, four hundred fifteen".