51358047 has 8 divisors (see below), whose sum is σ = 73744944. Its totient is φ = 31604928.

The previous prime is 51358031. The next prime is 51358049. The reversal of 51358047 is 74085315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51358047 - 2⁴ = 51358031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51357999 and 51358017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51358049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658398 + ... + 658475.

It is an arithmetic number, because the mean of its divisors is an integer number (9218118).

Almost surely, 2^51358047 is an apocalyptic number.

51358047 is a deficient number, since it is larger than the sum of its proper divisors (22386897).

51358047 is a wasteful number, since it uses less digits than its factorization.

51358047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316889.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 51358047 is about 7166.4528882844. The cubic root of 51358047 is about 371.7087919256.

The spelling of 51358047 in words is "fifty-one million, three hundred fifty-eight thousand, forty-seven".