51462228 has 24 divisors (see below), whose sum is σ = 122872288. Its totient is φ = 16754976.

The previous prime is 51462209. The next prime is 51462239. The reversal of 51462228 is 82226415.

It is a junction number, because it is equal to n+sod(n) for n = 51462195 and 51462204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49351 + ... + 50382.

Almost surely, 2^51462228 is an apocalyptic number.

It is an amenable number.

51462228 is an abundant number, since it is smaller than the sum of its proper divisors (71410060).

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

51462228 is a wasteful number, since it uses less digits than its factorization.

51462228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99783 (or 99781 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 51462228 is about 7173.7178645386. The cubic root of 51462228 is about 371.9599621611.

The spelling of 51462228 in words is "fifty-one million, four hundred sixty-two thousand, two hundred twenty-eight".