50951816 has 8 divisors (see below), whose sum is σ = 95534670. Its totient is φ = 25475904.

The previous prime is 50951809. The next prime is 50951819. The reversal of 50951816 is 61815905.

It can be written as a sum of positive squares in only one way, i.e., 49140100 + 1811716 = 7010^2 + 1346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (50951819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184481 + ... + 3184496.

Almost surely, 2^50951816 is an apocalyptic number.

It is an amenable number.

50951816 is a deficient number, since it is larger than the sum of its proper divisors (44582854).

50951816 is a wasteful number, since it uses less digits than its factorization.

50951816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368983 (or 6368979 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 50951816 is about 7138.0540765674. The cubic root of 50951816 is about 370.7261512514.

It can be divided in two parts, 509 and 51816, that added together give a palindrome (52325).

The spelling of 50951816 in words is "fifty million, nine hundred fifty-one thousand, eight hundred sixteen".