51226156 has 12 divisors (see below), whose sum is σ = 89790120. Its totient is φ = 25571840.

The previous prime is 51226139. The next prime is 51226157. The reversal of 51226156 is 65162215.

It is not an unprimeable number, because it can be changed into a prime (51226157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7426 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (7482510).

Almost surely, 2^51226156 is an apocalyptic number.

It is an amenable number.

51226156 is a deficient number, since it is larger than the sum of its proper divisors (38563964).

51226156 is a wasteful number, since it uses less digits than its factorization.

51226156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20624 (or 20622 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 51226156 is about 7157.2450006968. The cubic root of 51226156 is about 371.3903279024.

The spelling of 51226156 in words is "fifty-one million, two hundred twenty-six thousand, one hundred fifty-six".