55470744 has 120 divisors (see below), whose sum is σ = 180839340. Its totient is φ = 15839712.

The previous prime is 55470743. The next prime is 55470757. The reversal of 55470744 is 44707455.

55470744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55470699 and 55470708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55470743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30879 + ... + 32625.

Almost surely, 2^55470744 is an apocalyptic number.

55470744 is a gapful number since it is divisible by the number (54) 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 55470744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90419670).

55470744 is an abundant number, since it is smaller than the sum of its proper divisors (125368596).

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

55470744 is a wasteful number, since it uses less digits than its factorization.

55470744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 55470744 is about 7447.8684198904. The cubic root of 55470744 is about 381.3771453022.

The spelling of 55470744 in words is "fifty-five million, four hundred seventy thousand, seven hundred forty-four".