55876839 has 4 divisors (see below), whose sum is σ = 74502456. Its totient is φ = 37251224.

The previous prime is 55876837. The next prime is 55876879. The reversal of 55876839 is 93867855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55876839 - 2¹ = 55876837 is a prime.

It is a super-2 number, since 2×55876839² = 6244442273263842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55876791 and 55876800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55876831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312804 + ... + 9312809.

It is an arithmetic number, because the mean of its divisors is an integer number (18625614).

Almost surely, 2^55876839 is an apocalyptic number.

55876839 is a deficient number, since it is larger than the sum of its proper divisors (18625617).

55876839 is a wasteful number, since it uses less digits than its factorization.

55876839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18625616.

The product of its digits is 1814400, while the sum is 51.

The square root of 55876839 is about 7475.0812035723. The cubic root of 55876839 is about 382.3055562613.

The spelling of 55876839 in words is "fifty-five million, eight hundred seventy-six thousand, eight hundred thirty-nine".