52690757 has 4 divisors (see below), whose sum is σ = 60218016. Its totient is φ = 45163500.

The previous prime is 52690741. The next prime is 52690787. The reversal of 52690757 is 75709625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52690757 - 2⁴ = 52690741 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 (52690787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763619 + ... + 3763632.

It is an arithmetic number, because the mean of its divisors is an integer number (15054504).

Almost surely, 2^52690757 is an apocalyptic number.

It is an amenable number.

52690757 is a deficient number, since it is larger than the sum of its proper divisors (7527259).

52690757 is an equidigital number, since it uses as much as digits as its factorization.

52690757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527258.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 52690757 is about 7258.8399210893. The cubic root of 52690757 is about 374.8965806663.

The spelling of 52690757 in words is "fifty-two million, six hundred ninety thousand, seven hundred fifty-seven".