55835761 has 4 divisors (see below), whose sum is σ = 55850724. Its totient is φ = 55820800.

The previous prime is 55835753. The next prime is 55835777. The reversal of 55835761 is 16753855.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 47679025 = 2856^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 55835761 - 2³ = 55835753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55835711) 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, 3201 + ... + 11041.

It is an arithmetic number, because the mean of its divisors is an integer number (13962681).

Almost surely, 2^55835761 is an apocalyptic number.

It is an amenable number.

55835761 is a deficient number, since it is larger than the sum of its proper divisors (14963).

55835761 is an equidigital number, since it uses as much as digits as its factorization.

55835761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962.

The product of its digits is 126000, while the sum is 40.

The square root of 55835761 is about 7472.3330359400. Note that the first 3 decimals coincide. The cubic root of 55835761 is about 382.2118489945.

The spelling of 55835761 in words is "fifty-five million, eight hundred thirty-five thousand, seven hundred sixty-one".