55740849 has 8 divisors (see below), whose sum is σ = 74418720. Its totient is φ = 37111776.

The previous prime is 55740803. The next prime is 55740859. The reversal of 55740849 is 94804755.

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

It is not a de Polignac number, because 55740849 - 2⁷ = 55740721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55740849.

It is not an unprimeable number, because it can be changed into a prime (55740859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9444 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (9302340).

Almost surely, 2^55740849 is an apocalyptic number.

It is an amenable number.

55740849 is a deficient number, since it is larger than the sum of its proper divisors (18677871).

55740849 is a wasteful number, since it uses less digits than its factorization.

55740849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24399.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 55740849 is about 7465.9794401003. The cubic root of 55740849 is about 381.9951595195.

The spelling of 55740849 in words is "fifty-five million, seven hundred forty thousand, eight hundred forty-nine".