51455226 has 32 divisors (see below), whose sum is σ = 112485888. Its totient is φ = 15621120.

The previous prime is 51455221. The next prime is 51455227. The reversal of 51455226 is 62255415.

It is a super-2 number, since 2×51455226² = 5295280565422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51455193 and 51455202.

It is not an unprimeable number, because it can be changed into a prime (51455221) 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, 4975 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (3515184).

Almost surely, 2^51455226 is an apocalyptic number.

51455226 is an abundant number, since it is smaller than the sum of its proper divisors (61030662).

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

51455226 is a wasteful number, since it uses less digits than its factorization.

51455226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326.

The product of its digits is 12000, while the sum is 30.

The square root of 51455226 is about 7173.2298164774. The cubic root of 51455226 is about 371.9430916531.

It can be divided in two parts, 51455 and 226, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51455226 in words is "fifty-one million, four hundred fifty-five thousand, two hundred twenty-six".