52891007 has 12 divisors (see below), whose sum is σ = 59551464. Its totient is φ = 46693680.

The previous prime is 52890997. The next prime is 52891021. The reversal of 52891007 is 70019825.

It is a de Polignac number, because none of the positive numbers 2^k-52891007 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52891037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3032 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (4962622).

Almost surely, 2^52891007 is an apocalyptic number.

52891007 is a deficient number, since it is larger than the sum of its proper divisors (6660457).

52891007 is a wasteful number, since it uses less digits than its factorization.

52891007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7727 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 52891007 is about 7272.6203668279. The cubic root of 52891007 is about 375.3709088685.

The spelling of 52891007 in words is "fifty-two million, eight hundred ninety-one thousand, seven".