51957450 has 60 divisors (see below), whose sum is σ = 144375990. Its totient is φ = 13854240.

The previous prime is 51957449. The next prime is 51957463. The reversal of 51957450 is 5475915.

51957450 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 3 ways, for example, as 44715969 + 7241481 = 6687^2 + 2691^2 .

It is a super-2 number, since 2×51957450² = 5399153221005000, which contains 22 as substring.

It is a Curzon number.

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 29 ways as a sum of consecutive naturals, for example, 2365 + ... + 10464.

Almost surely, 2^51957450 is an apocalyptic number.

51957450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51957450 is an abundant number, since it is smaller than the sum of its proper divisors (92418540).

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

51957450 is a wasteful number, since it uses less digits than its factorization.

51957450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853 (or 12839 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 51957450 is about 7208.1516354749. The cubic root of 51957450 is about 373.1492812662.

The spelling of 51957450 in words is "fifty-one million, nine hundred fifty-seven thousand, four hundred fifty".