51654022 has 8 divisors (see below), whose sum is σ = 88549776. Its totient is φ = 22137432.

The previous prime is 51654019. The next prime is 51654023. The reversal of 51654022 is 22045615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51654023) 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 3 ways as a sum of consecutive naturals, for example, 1844773 + ... + 1844800.

It is an arithmetic number, because the mean of its divisors is an integer number (11068722).

Almost surely, 2^51654022 is an apocalyptic number.

51654022 is a deficient number, since it is larger than the sum of its proper divisors (36895754).

51654022 is a wasteful number, since it uses less digits than its factorization.

51654022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689582.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 51654022 is about 7187.0732568967. The cubic root of 51654022 is about 372.4214737704.

Adding to 51654022 its reverse (22045615), we get a palindrome (73699637).

The spelling of 51654022 in words is "fifty-one million, six hundred fifty-four thousand, twenty-two".