55146080 has 48 divisors (see below), whose sum is σ = 142131024. Its totient is φ = 20052480.

The previous prime is 55146059. The next prime is 55146121. The reversal of 55146080 is 8064155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13907 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (2961063).

Almost surely, 2^55146080 is an apocalyptic number.

It is an amenable number.

55146080 is an abundant number, since it is smaller than the sum of its proper divisors (86984944).

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

55146080 is a wasteful number, since it uses less digits than its factorization.

55146080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31359 (or 31351 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 55146080 is about 7426.0406678122. The cubic root of 55146080 is about 380.6316364919.

The spelling of 55146080 in words is "fifty-five million, one hundred forty-six thousand, eighty".