51523466 has 4 divisors (see below), whose sum is σ = 77285202. Its totient is φ = 25761732.

The previous prime is 51523463. The next prime is 51523477. The reversal of 51523466 is 66432515.

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., 50481025 + 1042441 = 7105^2 + 1021^2 .

It is a super-3 number, since 3×51523466³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51523463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12880865 + ... + 12880868.

Almost surely, 2^51523466 is an apocalyptic number.

51523466 is a deficient number, since it is larger than the sum of its proper divisors (25761736).

51523466 is a wasteful number, since it uses less digits than its factorization.

51523466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761735.

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

The square root of 51523466 is about 7177.9848146956. The cubic root of 51523466 is about 372.1074428539.

The spelling of 51523466 in words is "fifty-one million, five hundred twenty-three thousand, four hundred sixty-six".