2055517430 has 32 divisors (see below), whose sum is σ = 3919873824. Its totient is φ = 773387776.

The previous prime is 2055517417. The next prime is 2055517439. The reversal of 2055517430 is 347155502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055517439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481184 + ... + 485436.

It is an arithmetic number, because the mean of its divisors is an integer number (122496057).

Almost surely, 2^2055517430 is an apocalyptic number.

2055517430 is a deficient number, since it is larger than the sum of its proper divisors (1864356394).

2055517430 is a wasteful number, since it uses less digits than its factorization.

2055517430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2055517430 is about 45337.8145701797. The cubic root of 2055517430 is about 1271.4727433028.

The spelling of 2055517430 in words is "two billion, fifty-five million, five hundred seventeen thousand, four hundred thirty".