51922419 has 16 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 33855296.

The previous prime is 51922411. The next prime is 51922469. The reversal of 51922419 is 91422915.

51922419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51922419 - 2³ = 51922411 is a prime.

It is a super-2 number, since 2×51922419² = 5391875189623122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51922419.

It is not an unprimeable number, because it can be changed into a prime (51922411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40612 + ... + 41870.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^51922419 is an apocalyptic number.

51922419 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

51922419 is a deficient number, since it is larger than the sum of its proper divisors (18839181).

51922419 is a wasteful number, since it uses less digits than its factorization.

51922419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its digits is 6480, while the sum is 33.

The square root of 51922419 is about 7205.7212685477. The cubic root of 51922419 is about 373.0654002486.

The spelling of 51922419 in words is "fifty-one million, nine hundred twenty-two thousand, four hundred nineteen".