52946147 has 4 divisors (see below), whose sum is σ = 53736456. Its totient is φ = 52155840.

The previous prime is 52946137. The next prime is 52946197. The reversal of 52946147 is 74164925.

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 52946147 - 2¹² = 52942051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52946147.

It is not an unprimeable number, because it can be changed into a prime (52946137) 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, 395054 + ... + 395187.

It is an arithmetic number, because the mean of its divisors is an integer number (13434114).

Almost surely, 2^52946147 is an apocalyptic number.

52946147 is a deficient number, since it is larger than the sum of its proper divisors (790309).

52946147 is an equidigital number, since it uses as much as digits as its factorization.

52946147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790308.

The product of its digits is 60480, while the sum is 38.

The square root of 52946147 is about 7276.4103100361. The cubic root of 52946147 is about 375.5013076172.

The spelling of 52946147 in words is "fifty-two million, nine hundred forty-six thousand, one hundred forty-seven".