55768356 has 36 divisors (see below), whose sum is σ = 161109312. Its totient is φ = 15933744.

The previous prime is 55768343. The next prime is 55768369. The reversal of 55768356 is 65386755.

55768356 is a `hidden beast` number, since 557 + 68 + 35 + 6 = 666.

55768356 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 (55768343) and next prime (55768369).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×55768356² = 6220219061885472, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 110400 + ... + 110903.

Almost surely, 2^55768356 is an apocalyptic number.

It is an amenable number.

55768356 is an abundant number, since it is smaller than the sum of its proper divisors (105340956).

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

55768356 is a wasteful number, since it uses less digits than its factorization.

55768356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221320 (or 221315 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 55768356 is about 7467.8213690473. The cubic root of 55768356 is about 382.0579848567.

The spelling of 55768356 in words is "fifty-five million, seven hundred sixty-eight thousand, three hundred fifty-six".