55761833 has 4 divisors (see below), whose sum is σ = 55898580. Its totient is φ = 55625088.

The previous prime is 55761829. The next prime is 55761863. The reversal of 55761833 is 33816755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33028009 + 22733824 = 5747^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 55761833 - 2² = 55761829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55761803) 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, 67760 + ... + 68577.

It is an arithmetic number, because the mean of its divisors is an integer number (13974645).

Almost surely, 2^55761833 is an apocalyptic number.

It is an amenable number.

55761833 is a deficient number, since it is larger than the sum of its proper divisors (136747).

55761833 is a wasteful number, since it uses less digits than its factorization.

55761833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136746.

The product of its digits is 75600, while the sum is 38.

The square root of 55761833 is about 7467.3846157808. The cubic root of 55761833 is about 382.0430883479.

The spelling of 55761833 in words is "fifty-five million, seven hundred sixty-one thousand, eight hundred thirty-three".