45790056 has 128 divisors (see below), whose sum is σ = 143136000. Its totient is φ = 13457664.

The previous prime is 45790049. The next prime is 45790081. The reversal of 45790056 is 65009754.

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

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 45790056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64230 + ... + 64938.

It is an arithmetic number, because the mean of its divisors is an integer number (1118250).

Almost surely, 2^45790056 is an apocalyptic number.

45790056 is a gapful number since it is divisible by the number (46) 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 45790056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71568000).

45790056 is an abundant number, since it is smaller than the sum of its proper divisors (97345944).

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

45790056 is a wasteful number, since it uses less digits than its factorization.

45790056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 45790056 is about 6766.8350061162. The cubic root of 45790056 is about 357.7588546960.

The spelling of 45790056 in words is "forty-five million, seven hundred ninety thousand, fifty-six".