52345445 has 4 divisors (see below), whose sum is σ = 62814540. Its totient is φ = 41876352.

The previous prime is 52345427. The next prime is 52345457. The reversal of 52345445 is 54454325.

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 13082689 + 39262756 = 3617^2 + 6266^2 .

It is a cyclic number.

It is not a de Polignac number, because 52345445 - 2¹² = 52341349 is a prime.

It is a super-2 number, since 2×52345445² = 5480091224496050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5234540 + ... + 5234549.

It is an arithmetic number, because the mean of its divisors is an integer number (15703635).

Almost surely, 2^52345445 is an apocalyptic number.

It is an amenable number.

52345445 is a deficient number, since it is larger than the sum of its proper divisors (10469095).

52345445 is a wasteful number, since it uses less digits than its factorization.

52345445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469094.

The product of its digits is 48000, while the sum is 32.

The square root of 52345445 is about 7235.0152038541. The cubic root of 52345445 is about 374.0758160805.

The spelling of 52345445 in words is "fifty-two million, three hundred forty-five thousand, four hundred forty-five".