52312945 has 4 divisors (see below), whose sum is σ = 62775540. Its totient is φ = 41850352.

The previous prime is 52312943. The next prime is 52312969. The reversal of 52312945 is 54921325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 40908816 = 3377^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 52312945 - 2¹ = 52312943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52312943) 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, 5231290 + ... + 5231299.

It is an arithmetic number, because the mean of its divisors is an integer number (15693885).

Almost surely, 2^52312945 is an apocalyptic number.

It is an amenable number.

52312945 is a deficient number, since it is larger than the sum of its proper divisors (10462595).

52312945 is a wasteful number, since it uses less digits than its factorization.

52312945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462594.

The product of its digits is 10800, while the sum is 31.

The square root of 52312945 is about 7232.7688335796. The cubic root of 52312945 is about 373.9983818932.

The spelling of 52312945 in words is "fifty-two million, three hundred twelve thousand, nine hundred forty-five".