55125442600 has 48 divisors (see below), whose sum is σ = 130079620800. Its totient is φ = 21721064640.

The previous prime is 55125442499. The next prime is 55125442607. The reversal of 55125442600 is 624452155.

It is not an unprimeable number, because it can be changed into a prime (55125442607) 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, 2043520 + ... + 2070319.

It is an arithmetic number, because the mean of its divisors is an integer number (2709992100).

Almost surely, 2^55125442600 is an apocalyptic number.

55125442600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55125442600 is an abundant number, since it is smaller than the sum of its proper divisors (74954178200).

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

55125442600 is a wasteful number, since it uses less digits than its factorization.

55125442600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113922 (or 4113913 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 55125442600 its reverse (624452155), we get a palindrome (55749894755).

The spelling of 55125442600 in words is "fifty-five billion, one hundred twenty-five million, four hundred forty-two thousand, six hundred".