55400033394 has 12 divisors (see below), whose sum is σ = 120033405726. Its totient is φ = 18466677792.

The previous prime is 55400033393. The next prime is 55400033419. The reversal of 55400033394 is 49333000455.

It is a happy number.

55400033394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44578832769 + 10821200625 = 211137^2 + 104025^2 .

It is not an unprimeable number, because it can be changed into a prime (55400033393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538889799 + ... + 1538889834.

Almost surely, 2^55400033394 is an apocalyptic number.

55400033394 is an abundant number, since it is smaller than the sum of its proper divisors (64633372332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55400033394 is a wasteful number, since it uses less digits than its factorization.

55400033394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077779641 (or 3077779638 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 55400033394 in words is "fifty-five billion, four hundred million, thirty-three thousand, three hundred ninety-four".