51257483 has 4 divisors (see below), whose sum is σ = 51303168. Its totient is φ = 51211800.

The previous prime is 51257473. The next prime is 51257509. The reversal of 51257483 is 38475215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38475215 = 5 ⋅7695043.

It is a cyclic number.

It is not a de Polignac number, because 51257483 - 2⁴ = 51257467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51257443) 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, 21116 + ... + 23417.

It is an arithmetic number, because the mean of its divisors is an integer number (12825792).

Almost surely, 2^51257483 is an apocalyptic number.

51257483 is a deficient number, since it is larger than the sum of its proper divisors (45685).

51257483 is a wasteful number, since it uses less digits than its factorization.

51257483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45684.

The product of its digits is 33600, while the sum is 35.

The square root of 51257483 is about 7159.4331479524. The cubic root of 51257483 is about 371.4660195337.

The spelling of 51257483 in words is "fifty-one million, two hundred fifty-seven thousand, four hundred eighty-three".