55777383 has 8 divisors (see below), whose sum is σ = 82633200. Its totient is φ = 37184904.

The previous prime is 55777367. The next prime is 55777399. The reversal of 55777383 is 38377755.

55777383 is a `hidden beast` number, since 5 + 577 + 73 + 8 + 3 = 666.

55777383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55777367) and next prime (55777399).

It is not a de Polignac number, because 55777383 - 2⁴ = 55777367 is a prime.

It is a super-2 number, since 2×55777383² = 6222232908657378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55777313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032888 + ... + 1032941.

It is an arithmetic number, because the mean of its divisors is an integer number (10329150).

Almost surely, 2^55777383 is an apocalyptic number.

55777383 is a deficient number, since it is larger than the sum of its proper divisors (26855817).

55777383 is a wasteful number, since it uses less digits than its factorization.

55777383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065838 (or 2065832 counting only the distinct ones).

The product of its digits is 617400, while the sum is 45.

The square root of 55777383 is about 7468.4257377308. The cubic root of 55777383 is about 382.0785978088.

The spelling of 55777383 in words is "fifty-five million, seven hundred seventy-seven thousand, three hundred eighty-three".