55354790399 has 12 divisors (see below), whose sum is σ = 59724073320. Its totient is φ = 51162292800.

The previous prime is 55354790389. The next prime is 55354790417. The reversal of 55354790399 is 99309745355.

It is not a de Polignac number, because 55354790399 - 2²⁴ = 55338013183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55354790389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834632 + ... + 898509.

It is an arithmetic number, because the mean of its divisors is an integer number (4977006110).

Almost surely, 2^55354790399 is an apocalyptic number.

55354790399 is a deficient number, since it is larger than the sum of its proper divisors (4369282921).

55354790399 is a wasteful number, since it uses less digits than its factorization.

55354790399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733242 (or 1733201 counting only the distinct ones).

The product of its (nonzero) digits is 22963500, while the sum is 59.

The spelling of 55354790399 in words is "fifty-five billion, three hundred fifty-four million, seven hundred ninety thousand, three hundred ninety-nine".