55057060 has 24 divisors (see below), whose sum is σ = 121705920. Its totient is φ = 20863584.

The previous prime is 55057027. The next prime is 55057063. The reversal of 55057060 is 6075055.

It is not an unprimeable number, because it can be changed into a prime (55057063) 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, 72064 + ... + 72823.

It is an arithmetic number, because the mean of its divisors is an integer number (5071080).

Almost surely, 2^55057060 is an apocalyptic number.

It is an amenable number.

55057060 is an abundant number, since it is smaller than the sum of its proper divisors (66648860).

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

55057060 is a wasteful number, since it uses less digits than its factorization.

55057060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144915 (or 144913 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55057060 is about 7420.0444742602. The cubic root of 55057060 is about 380.4267136333.

The spelling of 55057060 in words is "fifty-five million, fifty-seven thousand, sixty".