52455744 has 168 divisors, whose sum is σ = 174028608. Its totient is φ = 14929920.

The previous prime is 52455731. The next prime is 52455749. The reversal of 52455744 is 44755425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52455699 and 52455708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52455749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107469 + ... + 107955.

Almost surely, 2^52455744 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 52455744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87014304).

52455744 is an abundant number, since it is smaller than the sum of its proper divisors (121572864).

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

52455744 is a wasteful number, since it uses less digits than its factorization.

52455744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 520 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 52455744 is about 7242.6337750849. The cubic root of 52455744 is about 374.3383746917.

The spelling of 52455744 in words is "fifty-two million, four hundred fifty-five thousand, seven hundred forty-four".