55783834 has 8 divisors (see below), whose sum is σ = 88597908. Its totient is φ = 26251200.

The previous prime is 55783813. The next prime is 55783837. The reversal of 55783834 is 43838755.

55783834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53071225 + 2712609 = 7285^2 + 1647^2 .

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

It is a super-2 number, since 2×55783834² = 6223672271479112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55783837) 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 3 ways as a sum of consecutive naturals, for example, 820317 + ... + 820384.

Almost surely, 2^55783834 is an apocalyptic number.

55783834 is a deficient number, since it is larger than the sum of its proper divisors (32814074).

55783834 is a wasteful number, since it uses less digits than its factorization.

55783834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640720.

The product of its digits is 403200, while the sum is 43.

The square root of 55783834 is about 7468.8576101034. The cubic root of 55783834 is about 382.0933271602.

The spelling of 55783834 in words is "fifty-five million, seven hundred eighty-three thousand, eight hundred thirty-four".