55133446 has 16 divisors (see below), whose sum is σ = 83907648. Its totient is φ = 27167400.

The previous prime is 55133423. The next prime is 55133467. The reversal of 55133446 is 64433155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42061 + ... + 43351.

It is an arithmetic number, because the mean of its divisors is an integer number (5244228).

Almost surely, 2^55133446 is an apocalyptic number.

55133446 is a deficient number, since it is larger than the sum of its proper divisors (28774202).

55133446 is a wasteful number, since it uses less digits than its factorization.

55133446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 21600, while the sum is 31.

The square root of 55133446 is about 7425.1899638999. The cubic root of 55133446 is about 380.6025666264.

The spelling of 55133446 in words is "fifty-five million, one hundred thirty-three thousand, four hundred forty-six".