55983733 has 4 divisors (see below), whose sum is σ = 60290188. Its totient is φ = 51677280.

The previous prime is 55983731. The next prime is 55983757. The reversal of 55983733 is 33738955.

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 20007729 + 35976004 = 4473^2 + 5998^2 .

It is a cyclic number.

It is not a de Polignac number, because 55983733 - 2¹ = 55983731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55983733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55983731) 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, 2153208 + ... + 2153233.

It is an arithmetic number, because the mean of its divisors is an integer number (15072547).

Almost surely, 2^55983733 is an apocalyptic number.

It is an amenable number.

55983733 is a deficient number, since it is larger than the sum of its proper divisors (4306455).

55983733 is a wasteful number, since it uses less digits than its factorization.

55983733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306454.

The product of its digits is 340200, while the sum is 43.

The square root of 55983733 is about 7482.2278099507. The cubic root of 55983733 is about 382.5491881437.

The spelling of 55983733 in words is "fifty-five million, nine hundred eighty-three thousand, seven hundred thirty-three".