51262449 has 16 divisors (see below), whose sum is σ = 78890880. Its totient is φ = 29001600.

The previous prime is 51262447. The next prime is 51262489. The reversal of 51262449 is 94426215.

It is not a de Polignac number, because 51262449 - 2¹ = 51262447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51262447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9964 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (4930680).

Almost surely, 2^51262449 is an apocalyptic number.

It is an amenable number.

51262449 is a deficient number, since it is larger than the sum of its proper divisors (27628431).

51262449 is a wasteful number, since it uses less digits than its factorization.

51262449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24280.

The product of its digits is 17280, while the sum is 33.

The square root of 51262449 is about 7159.7799547193. The cubic root of 51262449 is about 371.4780154451.

The spelling of 51262449 in words is "fifty-one million, two hundred sixty-two thousand, four hundred forty-nine".