55307833819 has 16 divisors (see below), whose sum is σ = 64179979776. Its totient is φ = 46679054400.

The previous prime is 55307833783. The next prime is 55307833897. The reversal of 55307833819 is 91833870355.

55307833819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55307833819 - 2²³ = 55299445211 is a prime.

It is a super-2 number, since 2×55307833819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55307830819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120674 + ... + 1168984.

It is an arithmetic number, because the mean of its divisors is an integer number (4011248736).

Almost surely, 2^55307833819 is an apocalyptic number.

55307833819 is a deficient number, since it is larger than the sum of its proper divisors (8872145957).

55307833819 is a wasteful number, since it uses less digits than its factorization.

55307833819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50826.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 55307833819 in words is "fifty-five billion, three hundred seven million, eight hundred thirty-three thousand, eight hundred nineteen".