55142326 has 8 divisors (see below), whose sum is σ = 82745784. Its totient is φ = 27560400.

The previous prime is 55142317. The next prime is 55142341. The reversal of 55142326 is 62324155.

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

It is a super-2 number, since 2×55142326² = 6081352233380552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55142294 and 55142303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (10343223).

Almost surely, 2^55142326 is an apocalyptic number.

55142326 is a deficient number, since it is larger than the sum of its proper divisors (27603458).

55142326 is a wasteful number, since it uses less digits than its factorization.

55142326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10766.

The product of its digits is 7200, while the sum is 28.

The square root of 55142326 is about 7425.7879043237. The cubic root of 55142326 is about 380.6229992893.

The spelling of 55142326 in words is "fifty-five million, one hundred forty-two thousand, three hundred twenty-six".