55271252 has 12 divisors (see below), whose sum is σ = 97374900. Its totient is φ = 27449856.

The previous prime is 55271243. The next prime is 55271261. The reversal of 55271252 is 25217255.

It is an interprime number because it is at equal distance from previous prime (55271243) and next prime (55271261).

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 35593156 = 4436^2 + 5966^2 .

It is a super-2 number, since 2×55271252² = 6109822595295008, which contains 22 as substring.

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, 45773 + ... + 46964.

It is an arithmetic number, because the mean of its divisors is an integer number (8114575).

Almost surely, 2^55271252 is an apocalyptic number.

It is an amenable number.

55271252 is a deficient number, since it is larger than the sum of its proper divisors (42103648).

55271252 is a wasteful number, since it uses less digits than its factorization.

55271252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92890 (or 92888 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 55271252 is about 7434.4638004365. The cubic root of 55271252 is about 380.9194080519.

The spelling of 55271252 in words is "fifty-five million, two hundred seventy-one thousand, two hundred fifty-two".