51730105 has 32 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 33646272.

The previous prime is 51730073. The next prime is 51730109. The reversal of 51730105 is 50103715.

It is not a de Polignac number, because 51730105 - 2⁵ = 51730073 is a prime.

It is a super-2 number, since 2×51730105² = 5352007526622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51730109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143916 + ... + 144274.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^51730105 is an apocalyptic number.

It is an amenable number.

51730105 is a deficient number, since it is larger than the sum of its proper divisors (22919495).

51730105 is a wasteful number, since it uses less digits than its factorization.

51730105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 51730105 is about 7192.3643539520. The cubic root of 51730105 is about 372.6042349019.

The spelling of 51730105 in words is "fifty-one million, seven hundred thirty thousand, one hundred five".