52351687 has 8 divisors (see below), whose sum is σ = 55502496. Its totient is φ = 49208832.

The previous prime is 52351679. The next prime is 52351697. The reversal of 52351687 is 78615325.

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

It is a cyclic number.

It is not a de Polignac number, because 52351687 - 2³ = 52351679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52351667) 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, 16623 + ... + 19519.

It is an arithmetic number, because the mean of its divisors is an integer number (6937812).

Almost surely, 2^52351687 is an apocalyptic number.

52351687 is a deficient number, since it is larger than the sum of its proper divisors (3150809).

52351687 is a wasteful number, since it uses less digits than its factorization.

52351687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977.

The product of its digits is 50400, while the sum is 37.

The square root of 52351687 is about 7235.4465653476. The cubic root of 52351687 is about 374.0906845403.

The spelling of 52351687 in words is "fifty-two million, three hundred fifty-one thousand, six hundred eighty-seven".