52750456 has 64 divisors (see below), whose sum is σ = 117456480. Its totient is φ = 21934080.

The previous prime is 52750429. The next prime is 52750469. The reversal of 52750456 is 65405725.

It is a super-2 number, since 2×52750456² = 5565221216415872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54876 + ... + 55828.

Almost surely, 2^52750456 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 52750456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58728240).

52750456 is an abundant number, since it is smaller than the sum of its proper divisors (64706024).

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

52750456 is a wasteful number, since it uses less digits than its factorization.

52750456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 52750456 is about 7262.9509154338. The cubic root of 52750456 is about 375.0381140520.

The spelling of 52750456 in words is "fifty-two million, seven hundred fifty thousand, four hundred fifty-six".