52184440 has 64 divisors (see below), whose sum is σ = 146396160. Its totient is φ = 16264320.

The previous prime is 52184437. The next prime is 52184443. The reversal of 52184440 is 4448125.

It is an interprime number because it is at equal distance from previous prime (52184437) and next prime (52184443).

It is a super-2 number, since 2×52184440² = 5446431556227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 52184399 and 52184408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52184443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5392 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (2287440).

Almost surely, 2^52184440 is an apocalyptic number.

It is an amenable number.

52184440 is an abundant number, since it is smaller than the sum of its proper divisors (94211720).

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

52184440 is a wasteful number, since it uses less digits than its factorization.

52184440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16972 (or 16968 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 52184440 is about 7223.8798439620. The cubic root of 52184440 is about 373.6918926230.

The spelling of 52184440 in words is "fifty-two million, one hundred eighty-four thousand, four hundred forty".