55742269400 has 24 divisors (see below), whose sum is σ = 129600776820. Its totient is φ = 22296907680.

The previous prime is 55742269399. The next prime is 55742269411. The reversal of 55742269400 is 496224755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139355474 + ... + 139355873.

Almost surely, 2^55742269400 is an apocalyptic number.

55742269400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55742269400 is an abundant number, since it is smaller than the sum of its proper divisors (73858507420).

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

55742269400 is a wasteful number, since it uses less digits than its factorization.

55742269400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278711363 (or 278711354 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 55742269400 in words is "fifty-five billion, seven hundred forty-two million, two hundred sixty-nine thousand, four hundred".