52818444 has 36 divisors (see below), whose sum is σ = 152587344. Its totient is φ = 15090912.

The previous prime is 52818443. The next prime is 52818449. The reversal of 52818444 is 44481825.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×52818444² = 5579576053162272, which contains 22 as substring.

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 = 52818399 and 52818408.

It is not an unprimeable number, because it can be changed into a prime (52818443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104547 + ... + 105050.

Almost surely, 2^52818444 is an apocalyptic number.

It is an amenable number.

52818444 is an abundant number, since it is smaller than the sum of its proper divisors (99768900).

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

52818444 is a wasteful number, since it uses less digits than its factorization.

52818444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209614 (or 209609 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 52818444 is about 7267.6298750005. The cubic root of 52818444 is about 375.1991688660.

The spelling of 52818444 in words is "fifty-two million, eight hundred eighteen thousand, four hundred forty-four".