52000407 has 16 divisors (see below), whose sum is σ = 78016000. Its totient is φ = 34226712.

The previous prime is 52000391. The next prime is 52000409. The reversal of 52000407 is 70400025.

It is a happy number.

It is not a de Polignac number, because 52000407 - 2⁴ = 52000391 is a prime.

It is a Duffinian number.

52000407 is a modest number, since divided by 407 gives 52 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 52000407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10057 + ... + 14322.

It is an arithmetic number, because the mean of its divisors is an integer number (4876000).

Almost surely, 2^52000407 is an apocalyptic number.

52000407 is a deficient number, since it is larger than the sum of its proper divisors (26015593).

52000407 is a wasteful number, since it uses less digits than its factorization.

52000407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467 (or 24461 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 52000407 is about 7211.1307712452. The cubic root of 52000407 is about 373.2520894818.

The spelling of 52000407 in words is "fifty-two million, four hundred seven", and thus it is an aban number.