52144680 has 128 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 11396352.

The previous prime is 52144663. The next prime is 52144699. The reversal of 52144680 is 8644125.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17971 + ... + 20669.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000).

Almost surely, 2^52144680 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 52144680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93312000).

52144680 is an abundant number, since it is smaller than the sum of its proper divisors (134479320).

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

52144680 is a wasteful number, since it uses less digits than its factorization.

52144680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 52144680 is about 7221.1273358112. The cubic root of 52144680 is about 373.5969616133.

The spelling of 52144680 in words is "fifty-two million, one hundred forty-four thousand, six hundred eighty".