53803977 has 16 divisors (see below), whose sum is σ = 72960000. Its totient is φ = 35262864.

The previous prime is 53803921. The next prime is 53803979. The reversal of 53803977 is 77930835.

It is not a de Polignac number, because 53803977 - 2¹⁰ = 53802953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53803979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89524 + ... + 90122.

It is an arithmetic number, because the mean of its divisors is an integer number (4560000).

Almost surely, 2^53803977 is an apocalyptic number.

It is an amenable number.

53803977 is a deficient number, since it is larger than the sum of its proper divisors (19156023).

53803977 is a wasteful number, since it uses less digits than its factorization.

53803977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 53803977 is about 7335.1194264306. The cubic root of 53803977 is about 377.5184020970.

The spelling of 53803977 in words is "fifty-three million, eight hundred three thousand, nine hundred seventy-seven".