2051351055 has 64 divisors (see below), whose sum is σ = 4134144000. Its totient is φ = 956727936.

The previous prime is 2051351041. The next prime is 2051351089. The reversal of 2051351055 is 5501531502.

It is not a de Polignac number, because 2051351055 - 2⁴ = 2051351039 is a prime.

It is a super-2 number, since 2×2051351055² = 8416082301699226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2586 + ... + 64104.

It is an arithmetic number, because the mean of its divisors is an integer number (64596000).

Almost surely, 2^2051351055 is an apocalyptic number.

2051351055 is an abundant number, since it is smaller than the sum of its proper divisors (2082792945).

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

2051351055 is a wasteful number, since it uses less digits than its factorization.

2051351055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61565 (or 61559 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 2051351055 is about 45291.8431397973. The cubic root of 2051351055 is about 1270.6131032317.

Adding to 2051351055 its reverse (5501531502), we get a palindrome (7552882557).

The spelling of 2051351055 in words is "two billion, fifty-one million, three hundred fifty-one thousand, fifty-five".