52489976 has 128 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 19474560.

The previous prime is 52489909. The next prime is 52490051. The reversal of 52489976 is 67998425.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1116785 + ... + 1116831.

It is an arithmetic number, because the mean of its divisors is an integer number (1026000).

Almost surely, 2^52489976 is an apocalyptic number.

52489976 is a gapful number since it is divisible by the number (56) 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 52489976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65664000).

52489976 is an abundant number, since it is smaller than the sum of its proper divisors (78838024).

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

52489976 is a wasteful number, since it uses less digits than its factorization.

52489976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 104 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 52489976 is about 7244.9966183567. The cubic root of 52489976 is about 374.4197865879.

The spelling of 52489976 in words is "fifty-two million, four hundred eighty-nine thousand, nine hundred seventy-six".