51277282 has 16 divisors (see below), whose sum is σ = 89775360. Its totient is φ = 21508128.

The previous prime is 51277277. The next prime is 51277283. The reversal of 51277282 is 28277215.

It is not an unprimeable number, because it can be changed into a prime (51277283) 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, 38307 + ... + 39622.

It is an arithmetic number, because the mean of its divisors is an integer number (5610960).

Almost surely, 2^51277282 is an apocalyptic number.

51277282 is a deficient number, since it is larger than the sum of its proper divisors (38498078).

51277282 is a wasteful number, since it uses less digits than its factorization.

51277282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77985.

The product of its digits is 15680, while the sum is 34.

The square root of 51277282 is about 7160.8157356547. The cubic root of 51277282 is about 371.5138415526.

The spelling of 51277282 in words is "fifty-one million, two hundred seventy-seven thousand, two hundred eighty-two".