55783567 has 8 divisors (see below), whose sum is σ = 63922176. Its totient is φ = 47687352.

The previous prime is 55783561. The next prime is 55783571. The reversal of 55783567 is 76538755.

55783567 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 55783567 - 2¹¹ = 55781519 is a prime.

It is a super-2 number, since 2×55783567² = 6223612694486978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55783561) 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, 7723 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (7990272).

Almost surely, 2^55783567 is an apocalyptic number.

55783567 is a deficient number, since it is larger than the sum of its proper divisors (8138609).

55783567 is a wasteful number, since it uses less digits than its factorization.

55783567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197.

The product of its digits is 882000, while the sum is 46.

The square root of 55783567 is about 7468.8397358626. The cubic root of 55783567 is about 382.0927175506.

The spelling of 55783567 in words is "fifty-five million, seven hundred eighty-three thousand, five hundred sixty-seven".