52444345 has 8 divisors (see below), whose sum is σ = 62975880. Its totient is φ = 41927040.

The previous prime is 52444331. The next prime is 52444349. The reversal of 52444345 is 54344425.

It can be written as a sum of positive squares in 4 ways, for example, as 25694761 + 26749584 = 5069^2 + 5172^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-52444345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52444349) 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, 7935 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (7871985).

Almost surely, 2^52444345 is an apocalyptic number.

It is an amenable number.

52444345 is a deficient number, since it is larger than the sum of its proper divisors (10531535).

52444345 is a wasteful number, since it uses less digits than its factorization.

52444345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115.

The product of its digits is 38400, while the sum is 31.

The square root of 52444345 is about 7241.8467948445. The cubic root of 52444345 is about 374.3112572785.

The spelling of 52444345 in words is "fifty-two million, four hundred forty-four thousand, three hundred forty-five".