611388050 has 48 divisors (see below), whose sum is σ = 1399618752. Its totient is φ = 193492800.

The previous prime is 611388007. The next prime is 611388053. The reversal of 611388050 is 50883116.

It is a junction number, because it is equal to n+sod(n) for n = 611387998 and 611388016.

It is not an unprimeable number, because it can be changed into a prime (611388053) 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 23 ways as a sum of consecutive naturals, for example, 62636 + ... + 71735.

It is an arithmetic number, because the mean of its divisors is an integer number (29158724).

Almost surely, 2^611388050 is an apocalyptic number.

611388050 is an abundant number, since it is smaller than the sum of its proper divisors (788230702).

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

611388050 is a wasteful number, since it uses less digits than its factorization.

611388050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134403 (or 134398 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 611388050 is about 24726.2623540235. The cubic root of 611388050 is about 848.7353974683.

The spelling of 611388050 in words is "six hundred eleven million, three hundred eighty-eight thousand, fifty".