51101670 has 32 divisors (see below), whose sum is σ = 124727040. Its totient is φ = 13395680.

The previous prime is 51101663. The next prime is 51101681. The reversal of 51101670 is 7610115.

It is a super-2 number, since 2×51101670² = 5222761353577800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12666 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (3897720).

Almost surely, 2^51101670 is an apocalyptic number.

51101670 is an abundant number, since it is smaller than the sum of its proper divisors (73625370).

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

51101670 is a wasteful number, since it uses less digits than its factorization.

51101670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28940.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51101670 is about 7148.5432082348. The cubic root of 51101670 is about 371.0892421473.

Adding to 51101670 its reverse (7610115), we get a palindrome (58711785).

The spelling of 51101670 in words is "fifty-one million, one hundred one thousand, six hundred seventy".