55500603400 has 48 divisors (see below), whose sum is σ = 140769717840. Its totient is φ = 20182036800.

The previous prime is 55500603383. The next prime is 55500603407. The reversal of 55500603400 is 430600555.

It is not an unprimeable number, because it can be changed into a prime (55500603407) 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, 12611574 + ... + 12615973.

It is an arithmetic number, because the mean of its divisors is an integer number (2932702455).

Almost surely, 2^55500603400 is an apocalyptic number.

55500603400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55500603400 is an abundant number, since it is smaller than the sum of its proper divisors (85269114440).

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

55500603400 is a wasteful number, since it uses less digits than its factorization.

55500603400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25227574 (or 25227565 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 55500603400 in words is "fifty-five billion, five hundred million, six hundred three thousand, four hundred".