55373452969 has 2 divisors, whose sum is σ = 55373452970. Its totient is φ = 55373452968.

The previous prime is 55373452957. The next prime is 55373452973. The reversal of 55373452969 is 96925437355.

55373452969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27943468569 + 27429984400 = 167163^2 + 165620^2 .

It is a cyclic number.

It is not a de Polignac number, because 55373452969 - 2⁹ = 55373452457 is a prime.

It is a super-2 number, since 2×55373452969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55373452469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27686726484 + 27686726485.

It is an arithmetic number, because the mean of its divisors is an integer number (27686726485).

Almost surely, 2^55373452969 is an apocalyptic number.

It is an amenable number.

55373452969 is a deficient number, since it is larger than the sum of its proper divisors (1).

55373452969 is an equidigital number, since it uses as much as digits as its factorization.

55373452969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618000, while the sum is 58.

The spelling of 55373452969 in words is "fifty-five billion, three hundred seventy-three million, four hundred fifty-two thousand, nine hundred sixty-nine".