51650950 has 48 divisors (see below), whose sum is σ = 104212080. Its totient is φ = 18933120.

The previous prime is 51650917. The next prime is 51650971. The reversal of 51650950 is 5905615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148677 + ... + 149023.

It is an arithmetic number, because the mean of its divisors is an integer number (2171085).

Almost surely, 2^51650950 is an apocalyptic number.

51650950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51650950 is an abundant number, since it is smaller than the sum of its proper divisors (52561130).

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

51650950 is a wasteful number, since it uses less digits than its factorization.

51650950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 51650950 is about 7186.8595366822. The cubic root of 51650950 is about 372.4140906638.

The spelling of 51650950 in words is "fifty-one million, six hundred fifty thousand, nine hundred fifty".