51854233 has 16 divisors (see below), whose sum is σ = 57386880. Its totient is φ = 46633216.

The previous prime is 51854219. The next prime is 51854237. The reversal of 51854233 is 33245815.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51854233 is a prime.

It is a super-2 number, since 2×51854233² = 5377722960036578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51854195 and 51854204.

It is not an unprimeable number, because it can be changed into a prime (51854237) 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, 52260 + ... + 53242.

It is an arithmetic number, because the mean of its divisors is an integer number (3586680).

Almost surely, 2^51854233 is an apocalyptic number.

It is an amenable number.

51854233 is a deficient number, since it is larger than the sum of its proper divisors (5532647).

51854233 is a wasteful number, since it uses less digits than its factorization.

51854233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 14400, while the sum is 31.

The square root of 51854233 is about 7200.9883349440. The cubic root of 51854233 is about 372.9020220057.

The spelling of 51854233 in words is "fifty-one million, eight hundred fifty-four thousand, two hundred thirty-three".