55059472 has 40 divisors (see below), whose sum is σ = 118603520. Its totient is φ = 24589440.

The previous prime is 55059463. The next prime is 55059491. The reversal of 55059472 is 27495055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (2965088).

Almost surely, 2^55059472 is an apocalyptic number.

55059472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55059472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59301760).

55059472 is an abundant number, since it is smaller than the sum of its proper divisors (63544048).

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

55059472 is a wasteful number, since it uses less digits than its factorization.

55059472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591 (or 8585 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 55059472 is about 7420.2070051987. The cubic root of 55059472 is about 380.4322689356.

The spelling of 55059472 in words is "fifty-five million, fifty-nine thousand, four hundred seventy-two".