52944642 has 24 divisors (see below), whose sum is σ = 114995244. Its totient is φ = 17604864.

The previous prime is 52944631. The next prime is 52944667. The reversal of 52944642 is 24644925.

52944642 is a `hidden beast` number, since 5 + 2 + 9 + 4 + 4 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42889401 + 10055241 = 6549^2 + 3171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52944597 and 52944606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398 + ... + 11190.

Almost surely, 2^52944642 is an apocalyptic number.

52944642 is an abundant number, since it is smaller than the sum of its proper divisors (62050602).

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

52944642 is a wasteful number, since it uses less digits than its factorization.

52944642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234 (or 7231 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 52944642 is about 7276.3068929231. The cubic root of 52944642 is about 375.4977496950.

The spelling of 52944642 in words is "fifty-two million, nine hundred forty-four thousand, six hundred forty-two".