55511252 has 12 divisors (see below), whose sum is σ = 97682676. Its totient is φ = 27601920.

The previous prime is 55511243. The next prime is 55511263. The reversal of 55511252 is 25211555.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 53963716 = 1244^2 + 7346^2 .

It is a congruent number.

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, 37613 + ... + 39060.

It is an arithmetic number, because the mean of its divisors is an integer number (8140223).

Almost surely, 2^55511252 is an apocalyptic number.

It is an amenable number.

55511252 is a deficient number, since it is larger than the sum of its proper divisors (42171424).

55511252 is a wasteful number, since it uses less digits than its factorization.

55511252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76858 (or 76856 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 55511252 is about 7450.5873593966. The cubic root of 55511252 is about 381.4699573882.

The spelling of 55511252 in words is "fifty-five million, five hundred eleven thousand, two hundred fifty-two".