55291596 has 48 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 17357760.

The previous prime is 55291589. The next prime is 55291597. The reversal of 55291596 is 69519255.

It is not an unprimeable number, because it can be changed into a prime (55291597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44301 + ... + 45531.

It is an arithmetic number, because the mean of its divisors is an integer number (2845920).

Almost surely, 2^55291596 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 55291596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

55291596 is an abundant number, since it is smaller than the sum of its proper divisors (81312564).

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

55291596 is a wasteful number, since it uses less digits than its factorization.

55291596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1452 counting only the distinct ones).

The product of its digits is 121500, while the sum is 42.

The square root of 55291596 is about 7435.8318969702. The cubic root of 55291596 is about 380.9661380339.

The spelling of 55291596 in words is "fifty-five million, two hundred ninety-one thousand, five hundred ninety-six".