55681792 has 36 divisors (see below), whose sum is σ = 111806800. Its totient is φ = 27675648.

The previous prime is 55681789. The next prime is 55681819. The reversal of 55681792 is 29718655.

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, 50398 + ... + 51490.

Almost surely, 2^55681792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55681792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55903400).

55681792 is an abundant number, since it is smaller than the sum of its proper divisors (56125008).

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

55681792 is a wasteful number, since it uses less digits than its factorization.

55681792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1294 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 55681792 is about 7462.0233181088. The cubic root of 55681792 is about 381.8602048711.

The spelling of 55681792 in words is "fifty-five million, six hundred eighty-one thousand, seven hundred ninety-two".