51235466 has 4 divisors (see below), whose sum is σ = 76853202. Its totient is φ = 25617732.

The previous prime is 51235463. The next prime is 51235469. The reversal of 51235466 is 66453215.

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

It is an interprime number because it is at equal distance from previous prime (51235463) and next prime (51235469).

It can be written as a sum of positive squares in only one way, i.e., 48594841 + 2640625 = 6971^2 + 1625^2 .

It is not an unprimeable number, because it can be changed into a prime (51235463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12808865 + ... + 12808868.

Almost surely, 2^51235466 is an apocalyptic number.

51235466 is a deficient number, since it is larger than the sum of its proper divisors (25617736).

51235466 is a wasteful number, since it uses less digits than its factorization.

51235466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25617735.

The product of its digits is 21600, while the sum is 32.

The square root of 51235466 is about 7157.8953610681. The cubic root of 51235466 is about 371.4128257484.

The spelling of 51235466 in words is "fifty-one million, two hundred thirty-five thousand, four hundred sixty-six".