2051552004 has 12 divisors (see below), whose sum is σ = 4786954704. Its totient is φ = 683850664.

The previous prime is 2051551969. The next prime is 2051552023. The reversal of 2051552004 is 4002551502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85481322 + ... + 85481345.

It is an arithmetic number, because the mean of its divisors is an integer number (398912892).

Almost surely, 2^2051552004 is an apocalyptic number.

It is an amenable number.

2051552004 is an abundant number, since it is smaller than the sum of its proper divisors (2735402700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051552004 is a wasteful number, since it uses less digits than its factorization.

2051552004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170962674 (or 170962672 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2051552004 is about 45294.0614650530. The cubic root of 2051552004 is about 1270.6545913517.

The spelling of 2051552004 in words is "two billion, fifty-one million, five hundred fifty-two thousand, four".