51972234 has 16 divisors (see below), whose sum is σ = 107529120. Its totient is φ = 16726640.

The previous prime is 51972227. The next prime is 51972259. The reversal of 51972234 is 43227915.

It is a super-2 number, since 2×51972234² = 5402226213901512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51972195 and 51972204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149172 + ... + 149519.

It is an arithmetic number, because the mean of its divisors is an integer number (6720570).

Almost surely, 2^51972234 is an apocalyptic number.

51972234 is an abundant number, since it is smaller than the sum of its proper divisors (55556886).

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

51972234 is a wasteful number, since it uses less digits than its factorization.

51972234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298725.

The product of its digits is 15120, while the sum is 33.

The square root of 51972234 is about 7209.1770681542. The cubic root of 51972234 is about 373.1846699405.

The spelling of 51972234 in words is "fifty-one million, nine hundred seventy-two thousand, two hundred thirty-four".