51911734 has 16 divisors (see below), whose sum is σ = 90321408. Its totient is φ = 21915432.

The previous prime is 51911719. The next prime is 51911747. The reversal of 51911734 is 43711915.

It is a junction number, because it is equal to n+sod(n) for n = 51911696 and 51911705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26734 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (5645088).

Almost surely, 2^51911734 is an apocalyptic number.

51911734 is a deficient number, since it is larger than the sum of its proper divisors (38409674).

51911734 is a wasteful number, since it uses less digits than its factorization.

51911734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55419.

The product of its digits is 3780, while the sum is 31.

The square root of 51911734 is about 7204.9798056622. The cubic root of 51911734 is about 373.0398077245.

The spelling of 51911734 in words is "fifty-one million, nine hundred eleven thousand, seven hundred thirty-four".