55125212 has 24 divisors (see below), whose sum is σ = 98743680. Its totient is φ = 26919360.

The previous prime is 55125199. The next prime is 55125221. The reversal of 55125212 is 21252155.

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, 37589 + ... + 39027.

It is an arithmetic number, because the mean of its divisors is an integer number (4114320).

Almost surely, 2^55125212 is an apocalyptic number.

It is an amenable number.

55125212 is a deficient number, since it is larger than the sum of its proper divisors (43618468).

55125212 is a wasteful number, since it uses less digits than its factorization.

55125212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1659 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 55125212 is about 7424.6354792677. The cubic root of 55125212 is about 380.5836184332.

Adding to 55125212 its reverse (21252155), we get a palindrome (76377367).

The spelling of 55125212 in words is "fifty-five million, one hundred twenty-five thousand, two hundred twelve".