55740442400 has 36 divisors (see below), whose sum is σ = 136076356962. Its totient is φ = 22296176640.

The previous prime is 55740442393. The next prime is 55740442559. The reversal of 55740442400 is 424404755.

It is a happy number.

55740442400 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 3 ways, for example, as 51088656784 + 4651785616 = 226028^2 + 68204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34836977 + ... + 34838576.

Almost surely, 2^55740442400 is an apocalyptic number.

55740442400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55740442400 is an abundant number, since it is smaller than the sum of its proper divisors (80335914562).

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

55740442400 is a wasteful number, since it uses less digits than its factorization.

55740442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69675573 (or 69675560 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The spelling of 55740442400 in words is "fifty-five billion, seven hundred forty million, four hundred forty-two thousand, four hundred".