51293158 has 32 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 20969280.

The previous prime is 51293149. The next prime is 51293159. The reversal of 51293158 is 85139215.

It is a super-2 number, since 2×51293158² = 5261976115225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51293159) 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, 30873 + ... + 32491.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^51293158 is an apocalyptic number.

51293158 is a deficient number, since it is larger than the sum of its proper divisors (40774682).

51293158 is a wasteful number, since it uses less digits than its factorization.

51293158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its digits is 10800, while the sum is 34.

The square root of 51293158 is about 7161.9241827878. The cubic root of 51293158 is about 371.5521791615.

The spelling of 51293158 in words is "fifty-one million, two hundred ninety-three thousand, one hundred fifty-eight".