52137772 has 6 divisors (see below), whose sum is σ = 91241108. Its totient is φ = 26068884.

The previous prime is 52137763. The next prime is 52137779. The reversal of 52137772 is 27773125.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52137779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6517218 + ... + 6517225.

Almost surely, 2^52137772 is an apocalyptic number.

It is an amenable number.

52137772 is a deficient number, since it is larger than the sum of its proper divisors (39103336).

52137772 is a wasteful number, since it uses less digits than its factorization.

52137772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034447 (or 13034445 counting only the distinct ones).

The product of its digits is 20580, while the sum is 34.

The square root of 52137772 is about 7220.6490013018. The cubic root of 52137772 is about 373.5804631467.

The spelling of 52137772 in words is "fifty-two million, one hundred thirty-seven thousand, seven hundred seventy-two".