52057237 has 2 divisors, whose sum is σ = 52057238. Its totient is φ = 52057236.

The previous prime is 52057231. The next prime is 52057253. The reversal of 52057237 is 73275025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 303601 = 7194^2 + 551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52057237 is a prime.

It is a super-4 number, since 4×52057237⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52057199 and 52057208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52057231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26028618 + 26028619.

It is an arithmetic number, because the mean of its divisors is an integer number (26028619).

Almost surely, 2^52057237 is an apocalyptic number.

It is an amenable number.

52057237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52057237 is an equidigital number, since it uses as much as digits as its factorization.

52057237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 52057237 is about 7215.0701313293. The cubic root of 52057237 is about 373.3880127359.

The spelling of 52057237 in words is "fifty-two million, fifty-seven thousand, two hundred thirty-seven".