55627057 has 2 divisors, whose sum is σ = 55627058. Its totient is φ = 55627056.

The previous prime is 55627049. The next prime is 55627073. The reversal of 55627057 is 75072655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 4704561 = 7136^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 55627057 - 2³ = 55627049 is a prime.

It is not a weakly prime, because it can be changed into another prime (55627027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27813528 + 27813529.

It is an arithmetic number, because the mean of its divisors is an integer number (27813529).

Almost surely, 2^55627057 is an apocalyptic number.

It is an amenable number.

55627057 is a deficient number, since it is larger than the sum of its proper divisors (1).

55627057 is an equidigital number, since it uses as much as digits as its factorization.

55627057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 55627057 is about 7458.3548454066. The cubic root of 55627057 is about 381.7350414506.

The spelling of 55627057 in words is "fifty-five million, six hundred twenty-seven thousand, fifty-seven".