53777930 has 16 divisors (see below), whose sum is σ = 96887880. Its totient is φ = 21491712.

The previous prime is 53777921. The next prime is 53777957. The reversal of 53777930 is 3977735.

It can be written as a sum of positive squares in 4 ways, for example, as 53772889 + 5041 = 7333^2 + 71^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15386 + ... + 18554.

Almost surely, 2^53777930 is an apocalyptic number.

53777930 is a deficient number, since it is larger than the sum of its proper divisors (43109950).

53777930 is a wasteful number, since it uses less digits than its factorization.

53777930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 53777930 is about 7333.3437121139. The cubic root of 53777930 is about 377.4574722204.

The spelling of 53777930 in words is "fifty-three million, seven hundred seventy-seven thousand, nine hundred thirty".