51288466 has 8 divisors (see below), whose sum is σ = 77336064. Its totient is φ = 25509780.

The previous prime is 51288463. The next prime is 51288487. The reversal of 51288466 is 66488215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51288463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66750 + ... + 67513.

It is an arithmetic number, because the mean of its divisors is an integer number (9667008).

Almost surely, 2^51288466 is an apocalyptic number.

51288466 is a deficient number, since it is larger than the sum of its proper divisors (26047598).

51288466 is a wasteful number, since it uses less digits than its factorization.

51288466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134456.

The product of its digits is 92160, while the sum is 40.

The square root of 51288466 is about 7161.5966096954. The cubic root of 51288466 is about 371.5408496714.

The spelling of 51288466 in words is "fifty-one million, two hundred eighty-eight thousand, four hundred sixty-six".