52169951 has 4 divisors (see below), whose sum is σ = 52275000. Its totient is φ = 52064904.

The previous prime is 52169933. The next prime is 52169977. The reversal of 52169951 is 15996125.

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

It is a cyclic number.

It is not a de Polignac number, because 52169951 - 2¹⁴ = 52153567 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 (52168951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51776 + ... + 52773.

It is an arithmetic number, because the mean of its divisors is an integer number (13068750).

Almost surely, 2^52169951 is an apocalyptic number.

52169951 is a deficient number, since it is larger than the sum of its proper divisors (105049).

52169951 is a wasteful number, since it uses less digits than its factorization.

52169951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105048.

The product of its digits is 24300, while the sum is 38.

The square root of 52169951 is about 7222.8769198983. The cubic root of 52169951 is about 373.6573042603.

The spelling of 52169951 in words is "fifty-two million, one hundred sixty-nine thousand, nine hundred fifty-one".