55957472 has 48 divisors (see below), whose sum is σ = 120702960. Its totient is φ = 25417728.

The previous prime is 55957471. The next prime is 55957477. The reversal of 55957472 is 27475955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55957471) 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, 14003 + ... + 17549.

It is an arithmetic number, because the mean of its divisors is an integer number (2514645).

Almost surely, 2^55957472 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 55957472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60351480).

55957472 is an abundant number, since it is smaller than the sum of its proper divisors (64745488).

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

55957472 is a wasteful number, since it uses less digits than its factorization.

55957472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603 (or 3595 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 55957472 is about 7480.4727123358. The cubic root of 55957472 is about 382.4893630545.

The spelling of 55957472 in words is "fifty-five million, nine hundred fifty-seven thousand, four hundred seventy-two".