55100657 has 2 divisors, whose sum is σ = 55100658. Its totient is φ = 55100656.

The previous prime is 55100653. The next prime is 55100677. The reversal of 55100657 is 75600155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30459361 + 24641296 = 5519^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100657 - 2² = 55100653 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55100653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550328 + 27550329.

It is an arithmetic number, because the mean of its divisors is an integer number (27550329).

Almost surely, 2^55100657 is an apocalyptic number.

It is an amenable number.

55100657 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100657 is an equidigital number, since it uses as much as digits as its factorization.

55100657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 55100657 is about 7422.9816785440. The cubic root of 55100657 is about 380.5271009262.

The spelling of 55100657 in words is "fifty-five million, one hundred thousand, six hundred fifty-seven".