52172374 has 4 divisors (see below), whose sum is σ = 78258564. Its totient is φ = 26086186.

The previous prime is 52172369. The next prime is 52172387. The reversal of 52172374 is 47327125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13043092 + ... + 13043095.

It is an arithmetic number, because the mean of its divisors is an integer number (19564641).

Almost surely, 2^52172374 is an apocalyptic number.

52172374 is a deficient number, since it is larger than the sum of its proper divisors (26086190).

52172374 is a wasteful number, since it uses less digits than its factorization.

52172374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086189.

The product of its digits is 11760, while the sum is 31.

The square root of 52172374 is about 7223.0446488998. The cubic root of 52172374 is about 373.6630889289.

Adding to 52172374 its reverse (47327125), we get a palindrome (99499499).

The spelling of 52172374 in words is "fifty-two million, one hundred seventy-two thousand, three hundred seventy-four".