55775802830 has 32 divisors (see below), whose sum is σ = 115287788160. Its totient is φ = 19214629920.

The previous prime is 55775802793. The next prime is 55775802881. The reversal of 55775802830 is 3820857755.

It is a super-2 number, since 2×55775802830² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13341404 + ... + 13345583.

It is an arithmetic number, because the mean of its divisors is an integer number (3602743380).

Almost surely, 2^55775802830 is an apocalyptic number.

55775802830 is an abundant number, since it is smaller than the sum of its proper divisors (59511985330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55775802830 is a wasteful number, since it uses less digits than its factorization.

55775802830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26687024.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 55775802830 in words is "fifty-five billion, seven hundred seventy-five million, eight hundred two thousand, eight hundred thirty".