55092979 has 2 divisors, whose sum is σ = 55092980. Its totient is φ = 55092978.

The previous prime is 55092931. The next prime is 55092991. The reversal of 55092979 is 97929055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55092979 - 2²⁵ = 21538547 is a prime.

It is not a weakly prime, because it can be changed into another prime (55092929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27546489 + 27546490.

It is an arithmetic number, because the mean of its divisors is an integer number (27546490).

Almost surely, 2^55092979 is an apocalyptic number.

55092979 is a deficient number, since it is larger than the sum of its proper divisors (1).

55092979 is an equidigital number, since it uses as much as digits as its factorization.

55092979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 55092979 is about 7422.4644829059. The cubic root of 55092979 is about 380.5094252579.

The spelling of 55092979 in words is "fifty-five million, ninety-two thousand, nine hundred seventy-nine".