55975832 has 96 divisors (see below), whose sum is σ = 127319040. Its totient is φ = 22848000.

The previous prime is 55975831. The next prime is 55975841. The reversal of 55975832 is 23857955.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55975831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788357 + ... + 788427.

It is an arithmetic number, because the mean of its divisors is an integer number (1326240).

Almost surely, 2^55975832 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 55975832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63659520).

55975832 is an abundant number, since it is smaller than the sum of its proper divisors (71343208).

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

55975832 is a wasteful number, since it uses less digits than its factorization.

55975832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 132 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 55975832 is about 7481.6998068621. The cubic root of 55975832 is about 382.5311908721.

The spelling of 55975832 in words is "fifty-five million, nine hundred seventy-five thousand, eight hundred thirty-two".