55148632 has 32 divisors (see below), whose sum is σ = 128920320. Its totient is φ = 21486240.

The previous prime is 55148617. The next prime is 55148677. The reversal of 55148632 is 23684155.

It is a super-2 number, since 2×55148632² = 6082743222942848, which contains 22 as substring.

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, 44148 + ... + 45379.

It is an arithmetic number, because the mean of its divisors is an integer number (4028760).

Almost surely, 2^55148632 is an apocalyptic number.

It is an amenable number.

55148632 is an abundant number, since it is smaller than the sum of its proper divisors (73771688).

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

55148632 is a wasteful number, since it uses less digits than its factorization.

55148632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89551 (or 89547 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 55148632 is about 7426.2124935932. The cubic root of 55148632 is about 380.6375079092.

The spelling of 55148632 in words is "fifty-five million, one hundred forty-eight thousand, six hundred thirty-two".