55919736 has 96 divisors (see below), whose sum is σ = 163472400. Its totient is φ = 17210880.

The previous prime is 55919711. The next prime is 55919791. The reversal of 55919736 is 63791955.

55919736 is a `hidden beast` number, since 559 + 1 + 97 + 3 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55919691 and 55919700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55590 + ... + 56586.

Almost surely, 2^55919736 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 55919736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81736200).

55919736 is an abundant number, since it is smaller than the sum of its proper divisors (107552664).

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

55919736 is a wasteful number, since it uses less digits than its factorization.

55919736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1062 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 55919736 is about 7477.9499864602. The cubic root of 55919736 is about 382.4033640280.

The spelling of 55919736 in words is "fifty-five million, nine hundred nineteen thousand, seven hundred thirty-six".