55510253 has 12 divisors (see below), whose sum is σ = 59286612. Its totient is φ = 51962880.

The previous prime is 55510241. The next prime is 55510261. The reversal of 55510253 is 35201555.

It can be written as a sum of positive squares in 6 ways, for example, as 9229444 + 46280809 = 3038^2 + 6803^2 .

It is not a de Polignac number, because 55510253 - 2⁸ = 55509997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69251 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (4940551).

Almost surely, 2^55510253 is an apocalyptic number.

It is an amenable number.

55510253 is a deficient number, since it is larger than the sum of its proper divisors (3776359).

55510253 is a wasteful number, since it uses less digits than its factorization.

55510253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55510253 is about 7450.5203174007. The cubic root of 55510253 is about 381.4676690187.

The spelling of 55510253 in words is "fifty-five million, five hundred ten thousand, two hundred fifty-three".