51356158 has 16 divisors (see below), whose sum is σ = 91075680. Its totient is φ = 21250656.

The previous prime is 51356153. The next prime is 51356159. The reversal of 51356158 is 85165315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51356153) 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, 62841 + ... + 63652.

It is an arithmetic number, because the mean of its divisors is an integer number (5692230).

Almost surely, 2^51356158 is an apocalyptic number.

51356158 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

51356158 is a deficient number, since it is larger than the sum of its proper divisors (39719522).

51356158 is a wasteful number, since it uses less digits than its factorization.

51356158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126531.

The product of its digits is 18000, while the sum is 34.

The square root of 51356158 is about 7166.3210924435. The cubic root of 51356158 is about 371.7042345968.

The spelling of 51356158 in words is "fifty-one million, three hundred fifty-six thousand, one hundred fifty-eight".