2054521550 has 12 divisors (see below), whose sum is σ = 3821410176. Its totient is φ = 821808600.

The previous prime is 2054521517. The next prime is 2054521577. The reversal of 2054521550 is 551254502.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20545166 + ... + 20545265.

It is an arithmetic number, because the mean of its divisors is an integer number (318450848).

Almost surely, 2^2054521550 is an apocalyptic number.

2054521550 is a deficient number, since it is larger than the sum of its proper divisors (1766888626).

2054521550 is a wasteful number, since it uses less digits than its factorization.

2054521550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41090443 (or 41090438 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2054521550 is about 45326.8303546586. The cubic root of 2054521550 is about 1271.2673710357.

The spelling of 2054521550 in words is "two billion, fifty-four million, five hundred twenty-one thousand, five hundred fifty".