52757507 has 8 divisors (see below), whose sum is σ = 57650880. Its totient is φ = 47880360.

The previous prime is 52757503. The next prime is 52757519. The reversal of 52757507 is 70575725.

It is a happy number.

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

It is not a de Polignac number, because 52757507 - 2² = 52757503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52757503) 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, 3344 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (7206360).

Almost surely, 2^52757507 is an apocalyptic number.

52757507 is a deficient number, since it is larger than the sum of its proper divisors (4893373).

52757507 is a wasteful number, since it uses less digits than its factorization.

52757507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 52757507 is about 7263.4363079743. The cubic root of 52757507 is about 375.0548233921.

The spelling of 52757507 in words is "fifty-two million, seven hundred fifty-seven thousand, five hundred seven".