51464282 has 4 divisors (see below), whose sum is σ = 77196426. Its totient is φ = 25732140.

The previous prime is 51464269. The next prime is 51464323. The reversal of 51464282 is 28246415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 21335161 = 5489^2 + 4619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12866069 + ... + 12866072.

Almost surely, 2^51464282 is an apocalyptic number.

51464282 is a deficient number, since it is larger than the sum of its proper divisors (25732144).

51464282 is a wasteful number, since it uses less digits than its factorization.

51464282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25732143.

The product of its digits is 15360, while the sum is 32.

The square root of 51464282 is about 7173.8610245808. The cubic root of 51464282 is about 371.9649107459.

The spelling of 51464282 in words is "fifty-one million, four hundred sixty-four thousand, two hundred eighty-two".