52045631 has 8 divisors (see below), whose sum is σ = 57187200. Its totient is φ = 46972440.

The previous prime is 52045613. The next prime is 52045649. The reversal of 52045631 is 13654025.

It is an interprime number because it is at equal distance from previous prime (52045613) and next prime (52045649).

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

It is a cyclic number.

It is not a de Polignac number, because 52045631 - 2¹⁴ = 52029247 is a prime.

It is a super-2 number, since 2×52045631² = 5417495412376322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52045631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52045601) 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, 15491 + ... + 18548.

It is an arithmetic number, because the mean of its divisors is an integer number (7148400).

Almost surely, 2^52045631 is an apocalyptic number.

52045631 is a deficient number, since it is larger than the sum of its proper divisors (5141569).

52045631 is a wasteful number, since it uses less digits than its factorization.

52045631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34189.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52045631 is about 7214.2657977094. The cubic root of 52045631 is about 373.3602621059.

Adding to 52045631 its reverse (13654025), we get a palindrome (65699656).

The spelling of 52045631 in words is "fifty-two million, forty-five thousand, six hundred thirty-one".