55511253 has 24 divisors (see below), whose sum is σ = 93877056. Its totient is φ = 30945600.

The previous prime is 55511243. The next prime is 55511263. The reversal of 55511253 is 35211555.

55511253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55511243) and next prime (55511263).

It is not a de Polignac number, because 55511253 - 2⁵ = 55511221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8163 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (3911544).

Almost surely, 2^55511253 is an apocalyptic number.

It is an amenable number.

55511253 is a deficient number, since it is larger than the sum of its proper divisors (38365803).

55511253 is a wasteful number, since it uses less digits than its factorization.

55511253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21545 (or 21542 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 55511253 is about 7450.5874265054. The cubic root of 55511253 is about 381.4699596788.

The spelling of 55511253 in words is "fifty-five million, five hundred eleven thousand, two hundred fifty-three".