52912145 has 32 divisors (see below), whose sum is σ = 76374144. Its totient is φ = 34675200.

The previous prime is 52912141. The next prime is 52912147. The reversal of 52912145 is 54121925.

It is not a de Polignac number, because 52912145 - 2² = 52912141 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52912141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29885 + ... + 31605.

It is an arithmetic number, because the mean of its divisors is an integer number (2386692).

It is the magic constant of a 473 × 473 magic square.

Almost surely, 2^52912145 is an apocalyptic number.

52912145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52912145 is a deficient number, since it is larger than the sum of its proper divisors (23461999).

52912145 is a wasteful number, since it uses less digits than its factorization.

52912145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 3600, while the sum is 29.

The square root of 52912145 is about 7274.0734805197. The cubic root of 52912145 is about 375.4209081276.

The spelling of 52912145 in words is "fifty-two million, nine hundred twelve thousand, one hundred forty-five".