53783977 has 16 divisors (see below), whose sum is σ = 61422592. Its totient is φ = 46733760.

The previous prime is 53783963. The next prime is 53783981. The reversal of 53783977 is 77938735.

It is a cyclic number.

It is not a de Polignac number, because 53783977 - 2¹¹ = 53781929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53783977.

It is not an unprimeable number, because it can be changed into a prime (53783957) 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, 13108 + ... + 16714.

It is an arithmetic number, because the mean of its divisors is an integer number (3838912).

Almost surely, 2^53783977 is an apocalyptic number.

It is an amenable number.

53783977 is a deficient number, since it is larger than the sum of its proper divisors (7638615).

53783977 is a wasteful number, since it uses less digits than its factorization.

53783977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688.

The product of its digits is 1111320, while the sum is 49.

The square root of 53783977 is about 7333.7559953955. The cubic root of 53783977 is about 377.4716192865.

The spelling of 53783977 in words is "fifty-three million, seven hundred eighty-three thousand, nine hundred seventy-seven".