51064413 has 16 divisors (see below), whose sum is σ = 72798336. Its totient is φ = 31726080.

The previous prime is 51064411. The next prime is 51064417. The reversal of 51064413 is 31446015.

It is not a de Polignac number, because 51064413 - 2¹ = 51064411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064411) 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, 393 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (4549896).

Almost surely, 2^51064413 is an apocalyptic number.

It is an amenable number.

51064413 is a deficient number, since it is larger than the sum of its proper divisors (21733923).

51064413 is a wasteful number, since it uses less digits than its factorization.

51064413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51064413 is about 7145.9368175208. The cubic root of 51064413 is about 370.9990361374. Note that the first 3 decimals are identical.

The spelling of 51064413 in words is "fifty-one million, sixty-four thousand, four hundred thirteen".