51503226 has 8 divisors (see below), whose sum is σ = 103006464. Its totient is φ = 17167740.

The previous prime is 51503219. The next prime is 51503239. The reversal of 51503226 is 62230515.

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

51503226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51503196 and 51503205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4291930 + ... + 4291941.

It is an arithmetic number, because the mean of its divisors is an integer number (12875808).

Almost surely, 2^51503226 is an apocalyptic number.

51503226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51503226 is a wasteful number, since it uses less digits than its factorization.

51503226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583876.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51503226 is about 7176.5748097543. The cubic root of 51503226 is about 372.0587113947.

The spelling of 51503226 in words is "fifty-one million, five hundred three thousand, two hundred twenty-six".