51459078 has 64 divisors (see below), whose sum is σ = 117199872. Its totient is φ = 14926080.

The previous prime is 51459077. The next prime is 51459113. The reversal of 51459078 is 87095415.

It is a super-2 number, since 2×51459078² = 5296073417220168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51459071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164250 + ... + 164562.

It is an arithmetic number, because the mean of its divisors is an integer number (1831248).

Almost surely, 2^51459078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51459078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58599936).

51459078 is an abundant number, since it is smaller than the sum of its proper divisors (65740794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51459078 is a wasteful number, since it uses less digits than its factorization.

51459078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 51459078 is about 7173.4983097510. The cubic root of 51459078 is about 371.9523727903.

The spelling of 51459078 in words is "fifty-one million, four hundred fifty-nine thousand, seventy-eight".