51557050 has 12 divisors (see below), whose sum is σ = 95896206. Its totient is φ = 20622800.

The previous prime is 51557029. The next prime is 51557057. The reversal of 51557050 is 5075515.

51557050 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 37124649 + 14432401 = 6093^2 + 3799^2 .

It is not an unprimeable number, because it can be changed into a prime (51557057) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 515521 + ... + 515620.

Almost surely, 2^51557050 is an apocalyptic number.

51557050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51557050 is a deficient number, since it is larger than the sum of its proper divisors (44339156).

51557050 is a wasteful number, since it uses less digits than its factorization.

51557050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031153 (or 1031148 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 51557050 is about 7180.3238088543. The cubic root of 51557050 is about 372.1882742568.

It can be divided in two parts, 515570 and 50, that added together give a triangular number (515620 = T₁₀₁₅).

The spelling of 51557050 in words is "fifty-one million, five hundred fifty-seven thousand, fifty".