52151572 has 24 divisors (see below), whose sum is σ = 99902880. Its totient is φ = 23624160.

The previous prime is 52151569. The next prime is 52151573. The reversal of 52151572 is 27515125.

It is a self number, because there is not a number n which added to its sum of digits gives 52151572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52151573) 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, 12079 + ... + 15817.

It is an arithmetic number, because the mean of its divisors is an integer number (4162620).

Almost surely, 2^52151572 is an apocalyptic number.

It is an amenable number.

52151572 is a deficient number, since it is larger than the sum of its proper divisors (47751308).

52151572 is a wasteful number, since it uses less digits than its factorization.

52151572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071 (or 4069 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 52151572 is about 7221.6045308505. The cubic root of 52151572 is about 373.6134204149.

Adding to 52151572 its reverse (27515125), we get a palindrome (79666697).

The spelling of 52151572 in words is "fifty-two million, one hundred fifty-one thousand, five hundred seventy-two".