55400116 has 24 divisors (see below), whose sum is σ = 98489160. Its totient is φ = 27264000.

The previous prime is 55400099. The next prime is 55400117. The reversal of 55400116 is 61100455.

It can be written as a sum of positive squares in 4 ways, for example, as 19448100 + 35952016 = 4410^2 + 5996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55400117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97080 + ... + 97648.

It is an arithmetic number, because the mean of its divisors is an integer number (4103715).

Almost surely, 2^55400116 is an apocalyptic number.

It is an amenable number.

55400116 is a deficient number, since it is larger than the sum of its proper divisors (43089044).

55400116 is a wasteful number, since it uses less digits than its factorization.

55400116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55400116 is about 7443.1254188009. The cubic root of 55400116 is about 381.2152140258.

The spelling of 55400116 in words is "fifty-five million, four hundred thousand, one hundred sixteen".