51848045 has 24 divisors (see below), whose sum is σ = 67439304. Its totient is φ = 38245376.

The previous prime is 51848033. The next prime is 51848051. The reversal of 51848045 is 54084815.

It can be written as a sum of positive squares in 12 ways, for example, as 4541161 + 47306884 = 2131^2 + 6878^2 .

It is not a de Polignac number, because 51848045 - 2²² = 47653741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51847996 and 51848014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76247 + ... + 76923.

It is an arithmetic number, because the mean of its divisors is an integer number (2809971).

Almost surely, 2^51848045 is an apocalyptic number.

It is an amenable number.

51848045 is a deficient number, since it is larger than the sum of its proper divisors (15591259).

51848045 is a wasteful number, since it uses less digits than its factorization.

51848045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 51848045 is about 7200.5586588820. The cubic root of 51848045 is about 372.8871880544.

The spelling of 51848045 in words is "fifty-one million, eight hundred forty-eight thousand, forty-five".