55406046 has 16 divisors (see below), whose sum is σ = 111081600. Its totient is φ = 18423768.

The previous prime is 55405993. The next prime is 55406081. The reversal of 55406046 is 64060455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8506 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (6942600).

Almost surely, 2^55406046 is an apocalyptic number.

55406046 is an abundant number, since it is smaller than the sum of its proper divisors (55675554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55406046 is a wasteful number, since it uses less digits than its factorization.

55406046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22463.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55406046 is about 7443.5237623051. The cubic root of 55406046 is about 381.2288152342.

The spelling of 55406046 in words is "fifty-five million, four hundred six thousand, forty-six".