55242532 has 12 divisors (see below), whose sum is σ = 96822796. Its totient is φ = 27578880.

The previous prime is 55242529. The next prime is 55242541. The reversal of 55242532 is 23524255.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 28451556 = 5176^2 + 5334^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55242532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7569 + ... + 12952.

Almost surely, 2^55242532 is an apocalyptic number.

It is an amenable number.

55242532 is a deficient number, since it is larger than the sum of its proper divisors (41580264).

55242532 is a wasteful number, since it uses less digits than its factorization.

55242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198 (or 21196 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 55242532 is about 7432.5320046401. The cubic root of 55242532 is about 380.8534189501.

Adding to 55242532 its reverse (23524255), we get a palindrome (78766787).

It can be divided in two parts, 5524253 and 2, that added together give a palindrome (5524255).

The spelling of 55242532 in words is "fifty-five million, two hundred forty-two thousand, five hundred thirty-two".