55930572 has 72 divisors (see below), whose sum is σ = 152355840. Its totient is φ = 17249760.

The previous prime is 55930559. The next prime is 55930579. The reversal of 55930572 is 27503955.

55930572 is a `hidden beast` number, since 5 + 59 + 30 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55930579) 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, 24579 + ... + 26757.

Almost surely, 2^55930572 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 55930572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76177920).

55930572 is an abundant number, since it is smaller than the sum of its proper divisors (96425268).

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

55930572 is a wasteful number, since it uses less digits than its factorization.

55930572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 55930572 is about 7478.6744814840. The cubic root of 55930572 is about 382.4280628524.

The spelling of 55930572 in words is "fifty-five million, nine hundred thirty thousand, five hundred seventy-two".