55275132 has 24 divisors (see below), whose sum is σ = 140700672. Its totient is φ = 16750000.

The previous prime is 55275127. The next prime is 55275221. The reversal of 55275132 is 23157255.

It is a self number, because there is not a number n which added to its sum of digits gives 55275132.

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, 209244 + ... + 209507.

It is an arithmetic number, because the mean of its divisors is an integer number (5862528).

Almost surely, 2^55275132 is an apocalyptic number.

It is an amenable number.

55275132 is an abundant number, since it is smaller than the sum of its proper divisors (85425540).

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

55275132 is a wasteful number, since it uses less digits than its factorization.

55275132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418769 (or 418767 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 55275132 is about 7434.7247427191. The cubic root of 55275132 is about 380.9283212613.

The spelling of 55275132 in words is "fifty-five million, two hundred seventy-five thousand, one hundred thirty-two".