45475056 has 120 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 13046400.

The previous prime is 45475043. The next prime is 45475057. The reversal of 45475056 is 65057454.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45475056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45475057) 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, 29341 + ... + 30851.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^45475056 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 45475056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

45475056 is an abundant number, since it is smaller than the sum of its proper divisors (100765584).

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

45475056 is a wasteful number, since it uses less digits than its factorization.

45475056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 45475056 is about 6743.5195558403. The cubic root of 45475056 is about 356.9365986790.

The spelling of 45475056 in words is "forty-five million, four hundred seventy-five thousand, fifty-six".