51266445 has 8 divisors (see below), whose sum is σ = 82026336. Its totient is φ = 27342096.

The previous prime is 51266437. The next prime is 51266477. The reversal of 51266445 is 54466215.

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

It is not a de Polignac number, because 51266445 - 2³ = 51266437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708867 + ... + 1708896.

It is an arithmetic number, because the mean of its divisors is an integer number (10253292).

Almost surely, 2^51266445 is an apocalyptic number.

It is an amenable number.

51266445 is a deficient number, since it is larger than the sum of its proper divisors (30759891).

51266445 is a wasteful number, since it uses less digits than its factorization.

51266445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417771.

The product of its digits is 28800, while the sum is 33.

The square root of 51266445 is about 7160.0590081367. The cubic root of 51266445 is about 371.4876676539.

The spelling of 51266445 in words is "fifty-one million, two hundred sixty-six thousand, four hundred forty-five".