51650612 has 24 divisors (see below), whose sum is σ = 98261856. Its totient is φ = 23613408.

The previous prime is 51650579. The next prime is 51650623. The reversal of 51650612 is 21605615.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (4094244).

Almost surely, 2^51650612 is an apocalyptic number.

51650612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51650612 is a deficient number, since it is larger than the sum of its proper divisors (46611244).

51650612 is a wasteful number, since it uses less digits than its factorization.

51650612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407 (or 9405 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51650612 is about 7186.8360215049. The cubic root of 51650612 is about 372.4132783120.

The spelling of 51650612 in words is "fifty-one million, six hundred fifty thousand, six hundred twelve".