55310783 has 8 divisors (see below), whose sum is σ = 60451920. Its totient is φ = 50188480.

The previous prime is 55310779. The next prime is 55310803. The reversal of 55310783 is 38701355.

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

It is a cyclic number.

It is not a de Polignac number, because 55310783 - 2² = 55310779 is a prime.

It is a super-3 number, since 3×55310783³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55310753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (7556490).

Almost surely, 2^55310783 is an apocalyptic number.

55310783 is a deficient number, since it is larger than the sum of its proper divisors (5141137).

55310783 is a wasteful number, since it uses less digits than its factorization.

55310783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55310783 is about 7437.1219567787. The cubic root of 55310783 is about 381.0101998955.

The spelling of 55310783 in words is "fifty-five million, three hundred ten thousand, seven hundred eighty-three".