55313712 has 160 divisors (see below), whose sum is σ = 174988800. Its totient is φ = 16651008.

The previous prime is 55313711. The next prime is 55313719. The reversal of 55313712 is 21731355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55313711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188638 + ... + 188930.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^55313712 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 55313712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87494400).

55313712 is an abundant number, since it is smaller than the sum of its proper divisors (119675088).

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

55313712 is a wasteful number, since it uses less digits than its factorization.

55313712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 340 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 55313712 is about 7437.3188717440. The cubic root of 55313712 is about 381.0169252820.

The spelling of 55313712 in words is "fifty-five million, three hundred thirteen thousand, seven hundred twelve".