55032782 has 12 divisors (see below), whose sum is σ = 96026760. Its totient is φ = 23585436.

The previous prime is 55032773. The next prime is 55032799. The reversal of 55032782 is 28723055.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280682 + ... + 280877.

It is an arithmetic number, because the mean of its divisors is an integer number (8002230).

Almost surely, 2^55032782 is an apocalyptic number.

55032782 is a deficient number, since it is larger than the sum of its proper divisors (40993978).

55032782 is a wasteful number, since it uses less digits than its factorization.

55032782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561575 (or 561568 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55032782 is about 7418.4083198487. The cubic root of 55032782 is about 380.3707876681.

The spelling of 55032782 in words is "fifty-five million, thirty-two thousand, seven hundred eighty-two".