55151423 has 8 divisors (see below), whose sum is σ = 56817600. Its totient is φ = 53494560.

The previous prime is 55151419. The next prime is 55151461. The reversal of 55151423 is 32415155.

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

It is a cyclic number.

It is not a de Polignac number, because 55151423 - 2² = 55151419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55151392 and 55151401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10778 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (7102200).

Almost surely, 2^55151423 is an apocalyptic number.

55151423 is a deficient number, since it is larger than the sum of its proper divisors (1666177).

55151423 is a wasteful number, since it uses less digits than its factorization.

55151423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657.

The product of its digits is 3000, while the sum is 26.

The square root of 55151423 is about 7426.4004066573. The cubic root of 55151423 is about 380.6439289894.

Adding to 55151423 its reverse (32415155), we get a palindrome (87566578).

The spelling of 55151423 in words is "fifty-five million, one hundred fifty-one thousand, four hundred twenty-three".