2045553554 has 8 divisors (see below), whose sum is σ = 3347269488. Its totient is φ = 929797060.

The previous prime is 2045553551. The next prime is 2045553563. The reversal of 2045553554 is 4553555402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2045553551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46489832 + ... + 46489875.

It is an arithmetic number, because the mean of its divisors is an integer number (418408686).

Almost surely, 2^2045553554 is an apocalyptic number.

2045553554 is a deficient number, since it is larger than the sum of its proper divisors (1301715934).

2045553554 is a wasteful number, since it uses less digits than its factorization.

2045553554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979720.

The product of its (nonzero) digits is 300000, while the sum is 38.

The square root of 2045553554 is about 45227.7962540737. The cubic root of 2045553554 is about 1269.4149772090.

The spelling of 2045553554 in words is "two billion, forty-five million, five hundred fifty-three thousand, five hundred fifty-four".