52152642 has 12 divisors (see below), whose sum is σ = 112997430. Its totient is φ = 17384208.

The previous prime is 52152631. The next prime is 52152673. The reversal of 52152642 is 24625125.

52152642 is a `hidden beast` number, since 5 + 2 + 15 + 2 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52142841 + 9801 = 7221^2 + 99^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1448667 + ... + 1448702.

Almost surely, 2^52152642 is an apocalyptic number.

52152642 is an abundant number, since it is smaller than the sum of its proper divisors (60844788).

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

52152642 is a wasteful number, since it uses less digits than its factorization.

52152642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897377 (or 2897374 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 52152642 is about 7221.6786137296. The cubic root of 52152642 is about 373.6159755544.

Adding to 52152642 its reverse (24625125), we get a palindrome (76777767).

The spelling of 52152642 in words is "fifty-two million, one hundred fifty-two thousand, six hundred forty-two".