55432146 has 32 divisors (see below), whose sum is σ = 138221568. Its totient is φ = 14397840.

The previous prime is 55432067. The next prime is 55432151. The reversal of 55432146 is 64123455.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59530 + ... + 60453.

It is an arithmetic number, because the mean of its divisors is an integer number (4319424).

Almost surely, 2^55432146 is an apocalyptic number.

55432146 is an abundant number, since it is smaller than the sum of its proper divisors (82789422).

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

55432146 is a wasteful number, since it uses less digits than its factorization.

55432146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120006.

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

The square root of 55432146 is about 7445.2767577841. The cubic root of 55432146 is about 381.2886673672.

The spelling of 55432146 in words is "fifty-five million, four hundred thirty-two thousand, one hundred forty-six".