52630757 has 4 divisors (see below), whose sum is σ = 53914476. Its totient is φ = 51347040.

The previous prime is 52630751. The next prime is 52630763. The reversal of 52630757 is 75703625.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52630751) and next prime (52630763).

It can be written as a sum of positive squares in 2 ways, for example, as 4661281 + 47969476 = 2159^2 + 6926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52630757 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 (52630751) 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, 641798 + ... + 641879.

It is an arithmetic number, because the mean of its divisors is an integer number (13478619).

Almost surely, 2^52630757 is an apocalyptic number.

It is an amenable number.

52630757 is a deficient number, since it is larger than the sum of its proper divisors (1283719).

52630757 is a wasteful number, since it uses less digits than its factorization.

52630757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283718.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 52630757 is about 7254.7058520660. The cubic root of 52630757 is about 374.7542259184.

The spelling of 52630757 in words is "fifty-two million, six hundred thirty thousand, seven hundred fifty-seven".