55877943 has 8 divisors (see below), whose sum is σ = 81277056. Its totient is φ = 33865400.

The previous prime is 55877911. The next prime is 55877977. The reversal of 55877943 is 34977855.

55877943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55877943 - 2⁵ = 55877911 is a prime.

It is a super-2 number, since 2×55877943² = 6244689027822498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55877892 and 55877901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55877743) 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, 846603 + ... + 846668.

It is an arithmetic number, because the mean of its divisors is an integer number (10159632).

Almost surely, 2^55877943 is an apocalyptic number.

55877943 is a deficient number, since it is larger than the sum of its proper divisors (25399113).

55877943 is a wasteful number, since it uses less digits than its factorization.

55877943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693285.

The product of its digits is 1058400, while the sum is 48.

The square root of 55877943 is about 7475.1550485592. The cubic root of 55877943 is about 382.3080740758.

It can be divided in two parts, 5587 and 7943, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 55877943 in words is "fifty-five million, eight hundred seventy-seven thousand, nine hundred forty-three".