55545146 has 8 divisors (see below), whose sum is σ = 84491424. Its totient is φ = 27381340.

The previous prime is 55545109. The next prime is 55545157. The reversal of 55545146 is 64154555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55545146² = 6170526488322632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195440 + ... + 195723.

It is an arithmetic number, because the mean of its divisors is an integer number (10561428).

Almost surely, 2^55545146 is an apocalyptic number.

55545146 is a deficient number, since it is larger than the sum of its proper divisors (28946278).

55545146 is a wasteful number, since it uses less digits than its factorization.

55545146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391236.

The product of its digits is 60000, while the sum is 35.

The square root of 55545146 is about 7452.8615980709. The cubic root of 55545146 is about 381.5475807628.

The spelling of 55545146 in words is "fifty-five million, five hundred forty-five thousand, one hundred forty-six".