52309476 has 60 divisors (see below), whose sum is σ = 144806508. Its totient is φ = 16409088.

The previous prime is 52309469. The next prime is 52309487. The reversal of 52309476 is 67490325.

It can be written as a sum of positive squares in 2 ways, for example, as 19131876 + 33177600 = 4374^2 + 5760^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52309476.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 760 + ... + 10256.

Almost surely, 2^52309476 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 52309476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72403254).

52309476 is an abundant number, since it is smaller than the sum of its proper divisors (92497032).

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

52309476 is a wasteful number, since it uses less digits than its factorization.

52309476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530 (or 9519 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52309476 is about 7232.5290182619. The cubic root of 52309476 is about 373.9901147930.

It can be divided in two parts, 5230 and 9476, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 52309476 in words is "fifty-two million, three hundred nine thousand, four hundred seventy-six".