55967856 has 40 divisors (see below), whose sum is σ = 165239424. Its totient is φ = 15990720.

The previous prime is 55967839. The next prime is 55967887. The reversal of 55967856 is 65876955.

It is a junction number, because it is equal to n+sod(n) for n = 55967799 and 55967808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82950 + ... + 83621.

Almost surely, 2^55967856 is an apocalyptic number.

55967856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55967856 is an abundant number, since it is smaller than the sum of its proper divisors (109271568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55967856 is a wasteful number, since it uses less digits than its factorization.

55967856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166589 (or 166583 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The square root of 55967856 is about 7481.1667539228. The cubic root of 55967856 is about 382.5130210442.

Subtracting 55967856 from its reverse (65876955), we obtain a palindrome (9909099).

The spelling of 55967856 in words is "fifty-five million, nine hundred sixty-seven thousand, eight hundred fifty-six".