51922311 has 16 divisors (see below), whose sum is σ = 80736000. Its totient is φ = 29669304.

The previous prime is 51922309. The next prime is 51922327. The reversal of 51922311 is 11322915.

It is not a de Polignac number, because 51922311 - 2¹ = 51922309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51922331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24201 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (5046000).

Almost surely, 2^51922311 is an apocalyptic number.

51922311 is a deficient number, since it is larger than the sum of its proper divisors (28813689).

51922311 is an equidigital number, since it uses as much as digits as its factorization.

51922311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50483 (or 50469 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 51922311 is about 7205.7137744987. The cubic root of 51922311 is about 373.0651415864.

It can be divided in two parts, 5192 and 2311, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 51922311 in words is "fifty-one million, nine hundred twenty-two thousand, three hundred eleven".