55611892 has 48 divisors (see below), whose sum is σ = 116408320. Its totient is φ = 22744800.

The previous prime is 55611889. The next prime is 55611901. The reversal of 55611892 is 29811655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68167 + ... + 68977.

Almost surely, 2^55611892 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 55611892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58204160).

55611892 is an abundant number, since it is smaller than the sum of its proper divisors (60796428).

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

55611892 is a wasteful number, since it uses less digits than its factorization.

55611892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its digits is 21600, while the sum is 37.

The square root of 55611892 is about 7457.3381309955. The cubic root of 55611892 is about 381.7003488726.

The spelling of 55611892 in words is "fifty-five million, six hundred eleven thousand, eight hundred ninety-two".