52242642 has 12 divisors (see below), whose sum is σ = 113192430. Its totient is φ = 17414208.

The previous prime is 52242629. The next prime is 52242653. The reversal of 52242642 is 24624225.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47485881 + 4756761 = 6891^2 + 2181^2 .

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, 1451167 + ... + 1451202.

Almost surely, 2^52242642 is an apocalyptic number.

52242642 is an abundant number, since it is smaller than the sum of its proper divisors (60949788).

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

52242642 is a wasteful number, since it uses less digits than its factorization.

52242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902377 (or 2902374 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 52242642 is about 7227.9071659783. The cubic root of 52242642 is about 373.8307688517.

Adding to 52242642 its reverse (24624225), we get a palindrome (76866867).

The spelling of 52242642 in words is "fifty-two million, two hundred forty-two thousand, six hundred forty-two".