52151617 has 4 divisors (see below), whose sum is σ = 59601856. Its totient is φ = 44701380.

The previous prime is 52151591. The next prime is 52151669. The reversal of 52151617 is 71615125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52151617 - 2¹⁵ = 52118849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52151017) 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, 3725109 + ... + 3725122.

It is an arithmetic number, because the mean of its divisors is an integer number (14900464).

Almost surely, 2^52151617 is an apocalyptic number.

It is an amenable number.

52151617 is a deficient number, since it is larger than the sum of its proper divisors (7450239).

52151617 is an equidigital number, since it uses as much as digits as its factorization.

52151617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450238.

The product of its digits is 2100, while the sum is 28.

The square root of 52151617 is about 7221.6076465009. The cubic root of 52151617 is about 373.6135278747.

The spelling of 52151617 in words is "fifty-two million, one hundred fifty-one thousand, six hundred seventeen".