52877440 has 256 divisors, whose sum is σ = 167443200. Its totient is φ = 15482880.

The previous prime is 52877431. The next prime is 52877441. The reversal of 52877440 is 4477825.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 52877440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52877441) 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, 1429102 + ... + 1429138.

It is an arithmetic number, because the mean of its divisors is an integer number (654075).

Almost surely, 2^52877440 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 52877440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83721600).

52877440 is an abundant number, since it is smaller than the sum of its proper divisors (114565760).

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

52877440 is a wasteful number, since it uses less digits than its factorization.

52877440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 52877440 is about 7271.6875620450. The cubic root of 52877440 is about 375.3388108308.

The spelling of 52877440 in words is "fifty-two million, eight hundred seventy-seven thousand, four hundred forty".