55406151 has 12 divisors (see below), whose sum is σ = 80215200. Its totient is φ = 36852480.

The previous prime is 55406137. The next prime is 55406159. The reversal of 55406151 is 15160455.

It is a happy number.

55406151 is a `hidden beast` number, since 5 + 5 + 40 + 615 + 1 = 666.

It is not a de Polignac number, because 55406151 - 2⁹ = 55405639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55406159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2815 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (6684600).

Almost surely, 2^55406151 is an apocalyptic number.

55406151 is a deficient number, since it is larger than the sum of its proper divisors (24809049).

55406151 is a wasteful number, since it uses less digits than its factorization.

55406151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166 (or 14163 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55406151 is about 7443.5308154128. The cubic root of 55406151 is about 381.2290560563.

The spelling of 55406151 in words is "fifty-five million, four hundred six thousand, one hundred fifty-one".