55132556 has 6 divisors (see below), whose sum is σ = 96481980. Its totient is φ = 27566276.

The previous prime is 55132531. The next prime is 55132603. The reversal of 55132556 is 65523155.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891566 + ... + 6891573.

It is an arithmetic number, because the mean of its divisors is an integer number (16080330).

Almost surely, 2^55132556 is an apocalyptic number.

It is an amenable number.

55132556 is a deficient number, since it is larger than the sum of its proper divisors (41349424).

55132556 is a wasteful number, since it uses less digits than its factorization.

55132556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783143 (or 13783141 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 55132556 is about 7425.1300325314. The cubic root of 55132556 is about 380.6005186372.

The spelling of 55132556 in words is "fifty-five million, one hundred thirty-two thousand, five hundred fifty-six".