51877228 has 24 divisors (see below), whose sum is σ = 98043120. Its totient is φ = 23876160.

The previous prime is 51877223. The next prime is 51877247. The reversal of 51877228 is 82277815.

It is not an unprimeable number, because it can be changed into a prime (51877223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20598 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (4085130).

Almost surely, 2^51877228 is an apocalyptic number.

It is an amenable number.

51877228 is a deficient number, since it is larger than the sum of its proper divisors (46165892).

51877228 is a wasteful number, since it uses less digits than its factorization.

51877228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 51877228 is about 7202.5848138012. The cubic root of 51877228 is about 372.9571355698.

The spelling of 51877228 in words is "fifty-one million, eight hundred seventy-seven thousand, two hundred twenty-eight".