52406757 has 40 divisors (see below), whose sum is σ = 85113336. Its totient is φ = 31943808.

The previous prime is 52406737. The next prime is 52406759. The reversal of 52406757 is 75760425.

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 50680161 = 1314^2 + 7119^2 .

It is not a de Polignac number, because 52406757 - 2²² = 48212453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406759) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165163 + ... + 165479.

Almost surely, 2^52406757 is an apocalyptic number.

It is an amenable number.

52406757 is a deficient number, since it is larger than the sum of its proper divisors (32706579).

52406757 is a wasteful number, since it uses less digits than its factorization.

52406757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 52406757 is about 7239.2511353040. The cubic root of 52406757 is about 374.2218102389.

The spelling of 52406757 in words is "fifty-two million, four hundred six thousand, seven hundred fifty-seven".