55532253 has 16 divisors (see below), whose sum is σ = 87351296. Its totient is φ = 30708720.

The previous prime is 55532249. The next prime is 55532261. The reversal of 55532253 is 35223555.

It is not a de Polignac number, because 55532253 - 2² = 55532249 is a prime.

It is a super-2 number, since 2×55532253² = 6167662246512018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55532253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42001 + ... + 43302.

It is an arithmetic number, because the mean of its divisors is an integer number (5459456).

Almost surely, 2^55532253 is an apocalyptic number.

It is an amenable number.

55532253 is a deficient number, since it is larger than the sum of its proper divisors (31819043).

55532253 is a wasteful number, since it uses less digits than its factorization.

55532253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85344.

The product of its digits is 22500, while the sum is 30.

The square root of 55532253 is about 7451.9965780991. The cubic root of 55532253 is about 381.5180571892.

The spelling of 55532253 in words is "fifty-five million, five hundred thirty-two thousand, two hundred fifty-three".