55083761 has 4 divisors (see below), whose sum is σ = 55363572. Its totient is φ = 54803952.

The previous prime is 55083751. The next prime is 55083773. The reversal of 55083761 is 16738055.

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 52475536 + 2608225 = 7244^2 + 1615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55083761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55083701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139610 + ... + 140003.

It is an arithmetic number, because the mean of its divisors is an integer number (13840893).

Almost surely, 2^55083761 is an apocalyptic number.

It is an amenable number.

55083761 is a deficient number, since it is larger than the sum of its proper divisors (279811).

55083761 is a wasteful number, since it uses less digits than its factorization.

55083761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279810.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55083761 is about 7421.8435041437. The cubic root of 55083761 is about 380.4882021572.

The spelling of 55083761 in words is "fifty-five million, eighty-three thousand, seven hundred sixty-one".