55040245312400 has 60 divisors (see below), whose sum is σ = 135047682799872. Its totient is φ = 21547670497920.

The previous prime is 55040245312397. The next prime is 55040245312427. The reversal of 55040245312400 is 421354204055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463817512 + ... + 1463855111.

Almost surely, 2^{55040245312400} is an apocalyptic number.

55040245312400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55040245312400 is an abundant number, since it is smaller than the sum of its proper divisors (80007437487472).

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

55040245312400 is a wasteful number, since it uses less digits than its factorization.

55040245312400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927672688 (or 2927672677 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 55040245312400 its reverse (421354204055), we get a palindrome (55461599516455).

The spelling of 55040245312400 in words is "fifty-five trillion, forty billion, two hundred forty-five million, three hundred twelve thousand, four hundred".