52445580 has 96 divisors (see below), whose sum is σ = 161360640. Its totient is φ = 12622080.

The previous prime is 52445579. The next prime is 52445581. The reversal of 52445580 is 8554425.

It is an interprime number because it is at equal distance from previous prime (52445579) and next prime (52445581).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52445581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150967 + ... + 151313.

It is an arithmetic number, because the mean of its divisors is an integer number (1680840).

Almost surely, 2^52445580 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 52445580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80680320).

52445580 is an abundant number, since it is smaller than the sum of its proper divisors (108915060).

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

52445580 is a wasteful number, since it uses less digits than its factorization.

52445580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 52445580 is about 7241.9320626474. The cubic root of 52445580 is about 374.3141954458.

The spelling of 52445580 in words is "fifty-two million, four hundred forty-five thousand, five hundred eighty".