55115662532 has 48 divisors (see below), whose sum is σ = 119562283008. Its totient is φ = 21689287680.

The previous prime is 55115662501. The next prime is 55115662571. The reversal of 55115662532 is 23526651155.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 55115662532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392548 + ... + 1431579.

It is an arithmetic number, because the mean of its divisors is an integer number (2490880896).

Almost surely, 2^55115662532 is an apocalyptic number.

It is an amenable number.

55115662532 is an abundant number, since it is smaller than the sum of its proper divisors (64446620476).

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

55115662532 is a wasteful number, since it uses less digits than its factorization.

55115662532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824196 (or 2824194 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The spelling of 55115662532 in words is "fifty-five billion, one hundred fifteen million, six hundred sixty-two thousand, five hundred thirty-two".