51483455 has 4 divisors (see below), whose sum is σ = 61780152. Its totient is φ = 41186760.

The previous prime is 51483401. The next prime is 51483457. The reversal of 51483455 is 55438415.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51483455 - 2¹⁴ = 51467071 is a prime.

It is a super-2 number, since 2×51483455² = 5301092277474050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51483457) 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, 5148341 + ... + 5148350.

It is an arithmetic number, because the mean of its divisors is an integer number (15445038).

Almost surely, 2^51483455 is an apocalyptic number.

51483455 is a deficient number, since it is larger than the sum of its proper divisors (10296697).

51483455 is a wasteful number, since it uses less digits than its factorization.

51483455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296696.

The product of its digits is 48000, while the sum is 35.

The square root of 51483455 is about 7175.1972098333. The cubic root of 51483455 is about 372.0110968093.

The spelling of 51483455 in words is "fifty-one million, four hundred eighty-three thousand, four hundred fifty-five".