55740146 has 48 divisors (see below), whose sum is σ = 109823040. Its totient is φ = 20956320.

The previous prime is 55740133. The next prime is 55740151. The reversal of 55740146 is 64104755.

55740146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55740146² = 6213927752202632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30371 + ... + 32153.

It is an arithmetic number, because the mean of its divisors is an integer number (2287980).

Almost surely, 2^55740146 is an apocalyptic number.

55740146 is a deficient number, since it is larger than the sum of its proper divisors (54082894).

55740146 is a wasteful number, since it uses less digits than its factorization.

55740146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55740146 is about 7465.9323597257. The cubic root of 55740146 is about 381.9935536132.

The spelling of 55740146 in words is "fifty-five million, seven hundred forty thousand, one hundred forty-six".