55486212 has 24 divisors (see below), whose sum is σ = 135097536. Its totient is φ = 17691168.

The previous prime is 55486169. The next prime is 55486217. The reversal of 55486212 is 21268455.

It is not an unprimeable number, because it can be changed into a prime (55486217) 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, 100243 + ... + 100794.

It is an arithmetic number, because the mean of its divisors is an integer number (5629064).

Almost surely, 2^55486212 is an apocalyptic number.

It is an amenable number.

55486212 is an abundant number, since it is smaller than the sum of its proper divisors (79611324).

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

55486212 is a wasteful number, since it uses less digits than its factorization.

55486212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201067 (or 201065 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 55486212 is about 7448.9067654254. The cubic root of 55486212 is about 381.4125909746.

The spelling of 55486212 in words is "fifty-five million, four hundred eighty-six thousand, two hundred twelve".