51128476 has 24 divisors (see below), whose sum is σ = 104753376. Its totient is φ = 21377280.

The previous prime is 51128461. The next prime is 51128501. The reversal of 51128476 is 67482115.

It is a super-2 number, since 2×51128476² = 5228242116165152, which contains 22 as substring.

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, 21121 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (4364724).

Almost surely, 2^51128476 is an apocalyptic number.

It is an amenable number.

51128476 is an abundant number, since it is smaller than the sum of its proper divisors (53624900).

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

51128476 is a wasteful number, since it uses less digits than its factorization.

51128476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44589 (or 44587 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 51128476 is about 7150.4178898859. The cubic root of 51128476 is about 371.1541172573.

The spelling of 51128476 in words is "fifty-one million, one hundred twenty-eight thousand, four hundred seventy-six".