2905553998 has 4 divisors (see below), whose sum is σ = 4358331000. Its totient is φ = 1452776998.

The previous prime is 2905553953. The next prime is 2905553999. The reversal of 2905553998 is 8993555092.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905553999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726388498 + ... + 726388501.

It is an arithmetic number, because the mean of its divisors is an integer number (1089582750).

Almost surely, 2^2905553998 is an apocalyptic number.

2905553998 is a deficient number, since it is larger than the sum of its proper divisors (1452777002).

2905553998 is a wasteful number, since it uses less digits than its factorization.

2905553998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452777001.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The square root of 2905553998 is about 53903.1909816107. The cubic root of 2905553998 is about 1426.9529390910.

The spelling of 2905553998 in words is "two billion, nine hundred five million, five hundred fifty-three thousand, nine hundred ninety-eight".