1051000056 has 64 divisors (see below), whose sum is σ = 2963059200. Its totient is φ = 345099744.

The previous prime is 1051000051. The next prime is 1051000079. The reversal of 1051000056 is 6500001501.

It is a super-2 number, since 2×1051000056² = 2209202235424006272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21840 + ... + 50783.

It is an arithmetic number, because the mean of its divisors is an integer number (46297800).

Almost surely, 2^1051000056 is an apocalyptic number.

It is an amenable number.

1051000056 is an abundant number, since it is smaller than the sum of its proper divisors (1912059144).

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

1051000056 is a wasteful number, since it uses less digits than its factorization.

1051000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72705 (or 72695 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1051000056 is about 32419.1310185822. The cubic root of 1051000056 is about 1016.7189380034.

Adding to 1051000056 its reverse (6500001501), we get a palindrome (7551001557).

The spelling of 1051000056 in words is "one billion, fifty-one million, fifty-six", and thus it is an aban number and an uban number.