51478483 has 4 divisors (see below), whose sum is σ = 58832560. Its totient is φ = 44124408.

The previous prime is 51478481. The next prime is 51478501. The reversal of 51478483 is 38487415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38487415 = 5 ⋅7697483.

It is a cyclic number.

It is not a de Polignac number, because 51478483 - 2¹ = 51478481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51478481) 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, 3677028 + ... + 3677041.

It is an arithmetic number, because the mean of its divisors is an integer number (14708140).

Almost surely, 2^51478483 is an apocalyptic number.

51478483 is a deficient number, since it is larger than the sum of its proper divisors (7354077).

51478483 is an equidigital number, since it uses as much as digits as its factorization.

51478483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354076.

The product of its digits is 107520, while the sum is 40.

The square root of 51478483 is about 7174.8507301546. The cubic root of 51478483 is about 371.9991208019. Note that the first 3 decimals are identical.

The spelling of 51478483 in words is "fifty-one million, four hundred seventy-eight thousand, four hundred eighty-three".