52722037 has 2 divisors, whose sum is σ = 52722038. Its totient is φ = 52722036.

The previous prime is 52722001. The next prime is 52722079. The reversal of 52722037 is 73022725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48358116 + 4363921 = 6954^2 + 2089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52722037 is a prime.

It is a super-2 number, since 2×52722037² = 5559226370858738, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52721996 and 52722014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52722097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26361018 + 26361019.

It is an arithmetic number, because the mean of its divisors is an integer number (26361019).

Almost surely, 2^52722037 is an apocalyptic number.

It is an amenable number.

52722037 is a deficient number, since it is larger than the sum of its proper divisors (1).

52722037 is an equidigital number, since it uses as much as digits as its factorization.

52722037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 52722037 is about 7260.9942156705. The cubic root of 52722037 is about 374.9707520893.

The spelling of 52722037 in words is "fifty-two million, seven hundred twenty-two thousand, thirty-seven".