55514857 has 2 divisors, whose sum is σ = 55514858. Its totient is φ = 55514856.

The previous prime is 55514791. The next prime is 55514863. The reversal of 55514857 is 75841555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52838361 + 2676496 = 7269^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 55514857 - 2²³ = 47126249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55514887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27757428 + 27757429.

It is an arithmetic number, because the mean of its divisors is an integer number (27757429).

Almost surely, 2^55514857 is an apocalyptic number.

It is an amenable number.

55514857 is a deficient number, since it is larger than the sum of its proper divisors (1).

55514857 is an equidigital number, since it uses as much as digits as its factorization.

55514857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140000, while the sum is 40.

The square root of 55514857 is about 7450.8292827040. The cubic root of 55514857 is about 381.4782149899.

The spelling of 55514857 in words is "fifty-five million, five hundred fourteen thousand, eight hundred fifty-seven".