52170051 has 8 divisors (see below), whose sum is σ = 71177920. Its totient is φ = 33971112.

The previous prime is 52170031. The next prime is 52170061. The reversal of 52170051 is 15007125.

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

It is a de Polignac number, because none of the positive numbers 2^k-52170051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52170031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202081 + ... + 202338.

It is an arithmetic number, because the mean of its divisors is an integer number (8897240).

Almost surely, 2^52170051 is an apocalyptic number.

52170051 is a deficient number, since it is larger than the sum of its proper divisors (19007869).

52170051 is a wasteful number, since it uses less digits than its factorization.

52170051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404465.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 52170051 is about 7222.8838423444. The cubic root of 52170051 is about 373.6575430038.

Adding to 52170051 its reverse (15007125), we get a palindrome (67177176).

The spelling of 52170051 in words is "fifty-two million, one hundred seventy thousand, fifty-one".