51958413 has 12 divisors (see below), whose sum is σ = 80824380. Its totient is φ = 31974336.

The previous prime is 51958411. The next prime is 51958421. The reversal of 51958413 is 31485915.

It can be written as a sum of positive squares in 2 ways, for example, as 5745609 + 46212804 = 2397^2 + 6798^2 .

It is not a de Polignac number, because 51958413 - 2¹ = 51958411 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51958411) 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, 221928 + ... + 222161.

It is an arithmetic number, because the mean of its divisors is an integer number (6735365).

Almost surely, 2^51958413 is an apocalyptic number.

It is an amenable number.

51958413 is a deficient number, since it is larger than the sum of its proper divisors (28865967).

51958413 is a wasteful number, since it uses less digits than its factorization.

51958413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444108 (or 444105 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 51958413 is about 7208.2184345371. The cubic root of 51958413 is about 373.1515866176.

The spelling of 51958413 in words is "fifty-one million, nine hundred fifty-eight thousand, four hundred thirteen".