51550226 has 32 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 19688256.

The previous prime is 51550207. The next prime is 51550229. The reversal of 51550226 is 62205515.

51550226 = T₃₂₃ + T₃₂₄ + ... + T₆₉₉.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51550195 and 51550204.

It is not an unprimeable number, because it can be changed into a prime (51550229) 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, 395 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (3076920).

Almost surely, 2^51550226 is an apocalyptic number.

51550226 is a deficient number, since it is larger than the sum of its proper divisors (46911214).

51550226 is a wasteful number, since it uses less digits than its factorization.

51550226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 51550226 is about 7179.8486056462. The cubic root of 51550226 is about 372.1718528049.

The spelling of 51550226 in words is "fifty-one million, five hundred fifty thousand, two hundred twenty-six".