52040745 has 32 divisors (see below), whose sum is σ = 92845440. Its totient is φ = 27656640.

The previous prime is 52040741. The next prime is 52040749. The reversal of 52040745 is 54704025.

It is an interprime number because it is at equal distance from previous prime (52040741) and next prime (52040749).

It is not a de Polignac number, because 52040745 - 2² = 52040741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52040741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53110 + ... + 54080.

It is an arithmetic number, because the mean of its divisors is an integer number (2901420).

Almost surely, 2^52040745 is an apocalyptic number.

It is an amenable number.

52040745 is a deficient number, since it is larger than the sum of its proper divisors (40804695).

52040745 is a wasteful number, since it uses less digits than its factorization.

52040745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52040745 is about 7213.9271551631. The cubic root of 52040745 is about 373.3485781579.

The spelling of 52040745 in words is "fifty-two million, forty thousand, seven hundred forty-five".