52170747 has 8 divisors (see below), whose sum is σ = 69668880. Its totient is φ = 34726560.

The previous prime is 52170733. The next prime is 52170749. The reversal of 52170747 is 74707125.

It is a happy number.

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

It is not a de Polignac number, because 52170747 - 2¹⁵ = 52137979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52170749) 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, 11172 + ... + 15137.

It is an arithmetic number, because the mean of its divisors is an integer number (8708610).

Almost surely, 2^52170747 is an apocalyptic number.

52170747 is a deficient number, since it is larger than the sum of its proper divisors (17498133).

52170747 is a wasteful number, since it uses less digits than its factorization.

52170747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26973.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 52170747 is about 7222.9320223854. The cubic root of 52170747 is about 373.6592046500.

The spelling of 52170747 in words is "fifty-two million, one hundred seventy thousand, seven hundred forty-seven".