52849480 has 64 divisors (see below), whose sum is σ = 122880240. Its totient is φ = 20447232.

The previous prime is 52849477. The next prime is 52849483. The reversal of 52849480 is 8494825.

It is an interprime number because it is at equal distance from previous prime (52849477) and next prime (52849483).

It can be written as a sum of positive squares in 8 ways, for example, as 43375396 + 9474084 = 6586^2 + 3078^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (52849483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205512 + ... + 205768.

Almost surely, 2^52849480 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 52849480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61440120).

52849480 is an abundant number, since it is smaller than the sum of its proper divisors (70030760).

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

52849480 is a wasteful number, since it uses less digits than its factorization.

52849480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 52849480 is about 7269.7647829899. The cubic root of 52849480 is about 375.2726432086.

The spelling of 52849480 in words is "fifty-two million, eight hundred forty-nine thousand, four hundred eighty".