51156026 has 8 divisors (see below), whose sum is σ = 81247860. Its totient is φ = 24073408.

The previous prime is 51156023. The next prime is 51156067. The reversal of 51156026 is 62065115.

It can be written as a sum of positive squares in 2 ways, for example, as 50055625 + 1100401 = 7075^2 + 1049^2 .

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

It is a super-2 number, since 2×51156026² = 5233877992225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51155986 and 51156004.

It is not an unprimeable number, because it can be changed into a prime (51156023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752261 + ... + 752328.

Almost surely, 2^51156026 is an apocalyptic number.

51156026 is a deficient number, since it is larger than the sum of its proper divisors (30091834).

51156026 is a wasteful number, since it uses less digits than its factorization.

51156026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504608.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51156026 is about 7152.3440912753. The cubic root of 51156026 is about 371.2207693507.

The spelling of 51156026 in words is "fifty-one million, one hundred fifty-six thousand, twenty-six".