55418976 has 72 divisors (see below), whose sum is σ = 158342184. Its totient is φ = 18385920.

The previous prime is 55418903. The next prime is 55418977. The reversal of 55418976 is 67981455.

55418976 is a `hidden beast` number, since 554 + 1 + 8 + 97 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55418977) 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, 96771 + ... + 97341.

It is an arithmetic number, because the mean of its divisors is an integer number (2199197).

Almost surely, 2^55418976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55418976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79171092).

55418976 is an abundant number, since it is smaller than the sum of its proper divisors (102923208).

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

55418976 is a wasteful number, since it uses less digits than its factorization.

55418976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 913 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 55418976 is about 7444.3922518900. The cubic root of 55418976 is about 381.2584684673.

The spelling of 55418976 in words is "fifty-five million, four hundred eighteen thousand, nine hundred seventy-six".