52156837 has 2 divisors, whose sum is σ = 52156838. Its totient is φ = 52156836.

The previous prime is 52156781. The next prime is 52156889. The reversal of 52156837 is 73865125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51466276 + 690561 = 7174^2 + 831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52156837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52156796 and 52156805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52156337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078418 + 26078419.

It is an arithmetic number, because the mean of its divisors is an integer number (26078419).

Almost surely, 2^52156837 is an apocalyptic number.

It is an amenable number.

52156837 is a deficient number, since it is larger than the sum of its proper divisors (1).

52156837 is an equidigital number, since it uses as much as digits as its factorization.

52156837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 52156837 is about 7221.9690528276. The cubic root of 52156837 is about 373.6259927970.

The spelling of 52156837 in words is "fifty-two million, one hundred fifty-six thousand, eight hundred thirty-seven".