51416650 has 12 divisors (see below), whose sum is σ = 95635062. Its totient is φ = 20566640.

The previous prime is 51416647. The next prime is 51416663. The reversal of 51416650 is 5661415.

It can be written as a sum of positive squares in 3 ways, for example, as 43837641 + 7579009 = 6621^2 + 2753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514117 + ... + 514216.

Almost surely, 2^51416650 is an apocalyptic number.

51416650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51416650 is a deficient number, since it is larger than the sum of its proper divisors (44218412).

51416650 is a wasteful number, since it uses less digits than its factorization.

51416650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028345 (or 1028340 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51416650 is about 7170.5404259372. The cubic root of 51416650 is about 371.8501197958.

The spelling of 51416650 in words is "fifty-one million, four hundred sixteen thousand, six hundred fifty".