51493832 has 16 divisors (see below), whose sum is σ = 103978140. Its totient is φ = 23766336.

The previous prime is 51493823. The next prime is 51493847. The reversal of 51493832 is 23839415.

51493832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51466276 + 27556 = 7174^2 + 166^2 .

It is a super-2 number, since 2×51493832² = 5303229468088448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51493792 and 51493801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247463 + ... + 247670.

Almost surely, 2^51493832 is an apocalyptic number.

51493832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51493832 is an abundant number, since it is smaller than the sum of its proper divisors (52484308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51493832 is a wasteful number, since it uses less digits than its factorization.

51493832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495152 (or 495148 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 51493832 is about 7175.9202894124. The cubic root of 51493832 is about 372.0360893033.

It can be divided in two parts, 51493 and 832, that added together give a palindrome (52325).

The spelling of 51493832 in words is "fifty-one million, four hundred ninety-three thousand, eight hundred thirty-two".