55423151 has 8 divisors (see below), whose sum is σ = 65052960. Its totient is φ = 46221408.

The previous prime is 55423139. The next prime is 55423153. The reversal of 55423151 is 15132455.

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 55423151 - 2¹⁰ = 55422127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55423151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55423153) 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, 106736 + ... + 107253.

It is an arithmetic number, because the mean of its divisors is an integer number (8131620).

Almost surely, 2^55423151 is an apocalyptic number.

55423151 is a deficient number, since it is larger than the sum of its proper divisors (9629809).

55423151 is a wasteful number, since it uses less digits than its factorization.

55423151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214033.

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

The square root of 55423151 is about 7444.6726590227. The cubic root of 55423151 is about 381.2680422887.

The spelling of 55423151 in words is "fifty-five million, four hundred twenty-three thousand, one hundred fifty-one".