55900937 has 2 divisors, whose sum is σ = 55900938. Its totient is φ = 55900936.

The previous prime is 55900931. The next prime is 55900997. The reversal of 55900937 is 73900955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 606841 = 7436^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 55900937 - 2⁸ = 55900681 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55900937.

It is not a weakly prime, because it can be changed into another prime (55900931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27950468 + 27950469.

It is an arithmetic number, because the mean of its divisors is an integer number (27950469).

Almost surely, 2^55900937 is an apocalyptic number.

It is an amenable number.

55900937 is a deficient number, since it is larger than the sum of its proper divisors (1).

55900937 is an equidigital number, since it uses as much as digits as its factorization.

55900937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 55900937 is about 7476.6929186640. The cubic root of 55900937 is about 382.3605073249.

The spelling of 55900937 in words is "fifty-five million, nine hundred thousand, nine hundred thirty-seven".