55059372 has 48 divisors (see below), whose sum is σ = 145797120. Its totient is φ = 17960976.

The previous prime is 55059349. The next prime is 55059373. The reversal of 55059372 is 27395055.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (55059373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (3037440).

Almost surely, 2^55059372 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 55059372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72898560).

55059372 is an abundant number, since it is smaller than the sum of its proper divisors (90737748).

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

55059372 is a wasteful number, since it uses less digits than its factorization.

55059372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907 (or 10899 counting only the distinct ones).

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

The square root of 55059372 is about 7420.2002668392. The cubic root of 55059372 is about 380.4320386195.

The spelling of 55059372 in words is "fifty-five million, fifty-nine thousand, three hundred seventy-two".