5820994551 has 4 divisors (see below), whose sum is σ = 7761326072. Its totient is φ = 3880663032.

The previous prime is 5820994519. The next prime is 5820994559. The reversal of 5820994551 is 1554990285.

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

It is not a de Polignac number, because 5820994551 - 2⁵ = 5820994519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5820994551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5820994559) 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, 970165756 + ... + 970165761.

It is an arithmetic number, because the mean of its divisors is an integer number (1940331518).

Almost surely, 2^5820994551 is an apocalyptic number.

5820994551 is a deficient number, since it is larger than the sum of its proper divisors (1940331521).

5820994551 is a wasteful number, since it uses less digits than its factorization.

5820994551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940331520.

The product of its (nonzero) digits is 648000, while the sum is 48.

The square root of 5820994551 is about 76295.4425309926. The cubic root of 5820994551 is about 1798.8670391989.

The spelling of 5820994551 in words is "five billion, eight hundred twenty million, nine hundred ninety-four thousand, five hundred fifty-one".