52578944 has 64 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 23608320.

The previous prime is 52578941. The next prime is 52578959. The reversal of 52578944 is 44987525.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 52578895 and 52578904.

It is not an unprimeable number, because it can be changed into a prime (52578941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150482 + ... + 150830.

Almost surely, 2^52578944 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 52578944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57834000).

52578944 is an abundant number, since it is smaller than the sum of its proper divisors (63089056).

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

52578944 is a wasteful number, since it uses less digits than its factorization.

52578944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 469 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 52578944 is about 7251.1339802820. The cubic root of 52578944 is about 374.6312083959.

The spelling of 52578944 in words is "fifty-two million, five hundred seventy-eight thousand, nine hundred forty-four".