55271132 has 24 divisors (see below), whose sum is σ = 110734176. Its totient is φ = 23646528.

The previous prime is 55271123. The next prime is 55271159. The reversal of 55271132 is 23117255.

It is a super-2 number, since 2×55271132² = 6109796065122848, 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 7 ways as a sum of consecutive naturals, for example, 19178 + ... + 21870.

It is an arithmetic number, because the mean of its divisors is an integer number (4613924).

Almost surely, 2^55271132 is an apocalyptic number.

It is an amenable number.

55271132 is an abundant number, since it is smaller than the sum of its proper divisors (55463044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55271132 is a wasteful number, since it uses less digits than its factorization.

55271132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3435 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 55271132 is about 7434.4557299106. The cubic root of 55271132 is about 380.9191323790.

Adding to 55271132 its reverse (23117255), we get a palindrome (78388387).

The spelling of 55271132 in words is "fifty-five million, two hundred seventy-one thousand, one hundred thirty-two".