6121552550 has 48 divisors (see below), whose sum is σ = 11564661600. Its totient is φ = 2410329600.

The previous prime is 6121552513. The next prime is 6121552589. The reversal of 6121552550 is 552551216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3581096 + ... + 3582804.

It is an arithmetic number, because the mean of its divisors is an integer number (240930450).

Almost surely, 2^6121552550 is an apocalyptic number.

6121552550 is a deficient number, since it is larger than the sum of its proper divisors (5443109050).

6121552550 is a wasteful number, since it uses less digits than its factorization.

6121552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 6121552550 is about 78240.3511622999. The cubic root of 6121552550 is about 1829.3095178403.

The spelling of 6121552550 in words is "six billion, one hundred twenty-one million, five hundred fifty-two thousand, five hundred fifty".