2051454556 has 24 divisors (see below), whose sum is σ = 3626385840. Its totient is φ = 1015362432.

The previous prime is 2051454527. The next prime is 2051454563. The reversal of 2051454556 is 6554541502.

It is a super-3 number, since 3×2051454556³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777816 + ... + 780448.

It is an arithmetic number, because the mean of its divisors is an integer number (151099410).

Almost surely, 2^2051454556 is an apocalyptic number.

It is an amenable number.

2051454556 is a deficient number, since it is larger than the sum of its proper divisors (1574931284).

2051454556 is a wasteful number, since it uses less digits than its factorization.

2051454556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 2051454556 is about 45292.9857262689. The cubic root of 2051454556 is about 1270.6344724841.

The spelling of 2051454556 in words is "two billion, fifty-one million, four hundred fifty-four thousand, five hundred fifty-six".