56003261000 has 64 divisors (see below), whose sum is σ = 131083505280. Its totient is φ = 22395172800.

The previous prime is 56003260991. The next prime is 56003261009. The reversal of 56003261000 is 16230065.

It is an interprime number because it is at equal distance from previous prime (56003260991) and next prime (56003261009).

It is not an unprimeable number, because it can be changed into a prime (56003261009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6002339 + ... + 6011661.

It is an arithmetic number, because the mean of its divisors is an integer number (2048179770).

Almost surely, 2^56003261000 is an apocalyptic number.

56003261000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56003261000 is an abundant number, since it is smaller than the sum of its proper divisors (75080244280).

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

56003261000 is a wasteful number, since it uses less digits than its factorization.

56003261000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15351 (or 15337 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 56003261000 its reverse (16230065), we get a palindrome (56019491065).

The spelling of 56003261000 in words is "fifty-six billion, three million, two hundred sixty-one thousand".