55831960 has 32 divisors (see below), whose sum is σ = 129956400. Its totient is φ = 21562240.

The previous prime is 55831921. The next prime is 55831969. The reversal of 55831960 is 6913855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55831969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22906 + ... + 25225.

Almost surely, 2^55831960 is an apocalyptic number.

It is an amenable number.

55831960 is an abundant number, since it is smaller than the sum of its proper divisors (74124440).

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

55831960 is a wasteful number, since it uses less digits than its factorization.

55831960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48171 (or 48167 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55831960 is about 7472.0786933758. The cubic root of 55831960 is about 382.2031758181.

The spelling of 55831960 in words is "fifty-five million, eight hundred thirty-one thousand, nine hundred sixty".