52406045 has 8 divisors (see below), whose sum is σ = 65055960. Its totient is φ = 40479040.

The previous prime is 52406041. The next prime is 52406051. The reversal of 52406045 is 54060425.

It can be written as a sum of positive squares in 4 ways, for example, as 15888196 + 36517849 = 3986^2 + 6043^2 .

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

It is not a de Polignac number, because 52406045 - 2² = 52406041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406041) 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, 180566 + ... + 180855.

It is an arithmetic number, because the mean of its divisors is an integer number (8131995).

Almost surely, 2^52406045 is an apocalyptic number.

It is an amenable number.

52406045 is a deficient number, since it is larger than the sum of its proper divisors (12649915).

52406045 is a wasteful number, since it uses less digits than its factorization.

52406045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361455.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52406045 is about 7239.2019587797. The cubic root of 52406045 is about 374.2201155011.

The spelling of 52406045 in words is "fifty-two million, four hundred six thousand, forty-five".