55012205407 has 2 divisors, whose sum is σ = 55012205408. Its totient is φ = 55012205406.

The previous prime is 55012205323. The next prime is 55012205447. The reversal of 55012205407 is 70450221055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55012205407 - 2³⁵ = 20652467039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55012205447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27506102703 + 27506102704.

It is an arithmetic number, because the mean of its divisors is an integer number (27506102704).

Almost surely, 2^55012205407 is an apocalyptic number.

55012205407 is a deficient number, since it is larger than the sum of its proper divisors (1).

55012205407 is an equidigital number, since it uses as much as digits as its factorization.

55012205407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The spelling of 55012205407 in words is "fifty-five billion, twelve million, two hundred five thousand, four hundred seven".