2154883550 has 24 divisors (see below), whose sum is σ = 4076022600. Its totient is φ = 847342880.

The previous prime is 2154883543. The next prime is 2154883559. The reversal of 2154883550 is 553884512.

It is a super-2 number, since 2×2154883550² = 9287046228121205000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2154883498 and 2154883507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154883559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362285 + ... + 368184.

It is an arithmetic number, because the mean of its divisors is an integer number (169834275).

Almost surely, 2^2154883550 is an apocalyptic number.

2154883550 is a deficient number, since it is larger than the sum of its proper divisors (1921139050).

2154883550 is a wasteful number, since it uses less digits than its factorization.

2154883550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730540 (or 730535 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 2154883550 is about 46420.7232817413. The cubic root of 2154883550 is about 1291.6393536137.

The spelling of 2154883550 in words is "two billion, one hundred fifty-four million, eight hundred eighty-three thousand, five hundred fifty".