55252632 has 32 divisors (see below), whose sum is σ = 138600000. Its totient is φ = 18355104.

The previous prime is 55252621. The next prime is 55252643. The reversal of 55252632 is 23625255.

It is an interprime number because it is at equal distance from previous prime (55252621) and next prime (55252643).

It is a self number, because there is not a number n which added to its sum of digits gives 55252632.

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, 3619 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (4331250).

Almost surely, 2^55252632 is an apocalyptic number.

It is an amenable number.

55252632 is an abundant number, since it is smaller than the sum of its proper divisors (83347368).

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

55252632 is a wasteful number, since it uses less digits than its factorization.

55252632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815 (or 7811 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 55252632 is about 7433.2114190301. The cubic root of 55252632 is about 380.8766280307.

Adding to 55252632 its reverse (23625255), we get a palindrome (78877887).

The spelling of 55252632 in words is "fifty-five million, two hundred fifty-two thousand, six hundred thirty-two".