56730105 has 64 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 26956800.

The previous prime is 56730103. The next prime is 56730133. The reversal of 56730105 is 50103765.

It is not a de Polignac number, because 56730105 - 2¹ = 56730103 is a prime.

It is a super-2 number, since 2×56730105² = 6436609626622050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56730103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42955 + ... + 44255.

It is an arithmetic number, because the mean of its divisors is an integer number (1757700).

Almost surely, 2^56730105 is an apocalyptic number.

It is an amenable number.

56730105 is a deficient number, since it is larger than the sum of its proper divisors (55762695).

56730105 is a wasteful number, since it uses less digits than its factorization.

56730105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 56730105 is about 7531.9389933801. The cubic root of 56730105 is about 384.2417301218.

The spelling of 56730105 in words is "fifty-six million, seven hundred thirty thousand, one hundred five".