52617142 has 8 divisors (see below), whose sum is σ = 83568456. Its totient is φ = 24760992.

The previous prime is 52617133. The next prime is 52617161. The reversal of 52617142 is 24171625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52617142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773748 + ... + 773815.

It is an arithmetic number, because the mean of its divisors is an integer number (10446057).

Almost surely, 2^52617142 is an apocalyptic number.

52617142 is a deficient number, since it is larger than the sum of its proper divisors (30951314).

52617142 is a wasteful number, since it uses less digits than its factorization.

52617142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547582.

The product of its digits is 3360, while the sum is 28.

The square root of 52617142 is about 7253.7674349265. The cubic root of 52617142 is about 374.7219081945.

Adding to 52617142 its reverse (24171625), we get a palindrome (76788767).

It can be divided in two parts, 5261 and 7142, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 52617142 in words is "fifty-two million, six hundred seventeen thousand, one hundred forty-two".