57000037 has 2 divisors, whose sum is σ = 57000038. Its totient is φ = 57000036.

The previous prime is 57000011. The next prime is 57000059. The reversal of 57000037 is 73000075.

It is an a-pointer prime, because the next prime (57000059) can be obtained adding 57000037 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 20349121 = 6054^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 57000037 - 2¹¹ = 56997989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56999981 and 57000017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500018 + 28500019.

It is an arithmetic number, because the mean of its divisors is an integer number (28500019).

Almost surely, 2^57000037 is an apocalyptic number.

It is an amenable number.

57000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000037 is an equidigital number, since it uses as much as digits as its factorization.

57000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 57000037 is about 7549.8368856552. The cubic root of 57000037 is about 384.8501963993.

The spelling of 57000037 in words is "fifty-seven million, thirty-seven", and thus it is an aban number and an uban number.