55212652 has 12 divisors (see below), whose sum is σ = 105406056. Its totient is φ = 25096640.

The previous prime is 55212649. The next prime is 55212659. The reversal of 55212652 is 25621255.

It is a self number, because there is not a number n which added to its sum of digits gives 55212652.

It is not an unprimeable number, because it can be changed into a prime (55212659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627373 + ... + 627460.

It is an arithmetic number, because the mean of its divisors is an integer number (8783838).

Almost surely, 2^55212652 is an apocalyptic number.

It is an amenable number.

55212652 is a deficient number, since it is larger than the sum of its proper divisors (50193404).

55212652 is a wasteful number, since it uses less digits than its factorization.

55212652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254848 (or 1254846 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 55212652 is about 7430.5216505976. The cubic root of 55212652 is about 380.7847402702.

The spelling of 55212652 in words is "fifty-five million, two hundred twelve thousand, six hundred fifty-two".