55020532 has 18 divisors (see below), whose sum is σ = 112006482. Its totient is φ = 23580144.

The previous prime is 55020529. The next prime is 55020547. The reversal of 55020532 is 23502055.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 8726116 = 6804^2 + 2954^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140163 + ... + 140554.

Almost surely, 2^55020532 is an apocalyptic number.

It is an amenable number.

55020532 is an abundant number, since it is smaller than the sum of its proper divisors (56985950).

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

55020532 is a wasteful number, since it uses less digits than its factorization.

55020532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280735 (or 280726 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55020532 is about 7417.5826250875. The cubic root of 55020532 is about 380.3425627462.

Adding to 55020532 its reverse (23502055), we get a palindrome (78522587).

It can be divided in two parts, 5502053 and 2, that added together give a palindrome (5502055).

The spelling of 55020532 in words is "fifty-five million, twenty thousand, five hundred thirty-two".