55740641 has 8 divisors (see below), whose sum is σ = 61805568. Its totient is φ = 49842000.

The previous prime is 55740589. The next prime is 55740673. The reversal of 55740641 is 14604755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55740641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55740598 and 55740607.

It is not an unprimeable number, because it can be changed into a prime (55740691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40865 + ... + 42206.

It is an arithmetic number, because the mean of its divisors is an integer number (7725696).

Almost surely, 2^55740641 is an apocalyptic number.

It is an amenable number.

55740641 is a deficient number, since it is larger than the sum of its proper divisors (6064927).

55740641 is a wasteful number, since it uses less digits than its factorization.

55740641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83143.

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

The square root of 55740641 is about 7465.9655102338. The cubic root of 55740641 is about 381.9946843736.

The spelling of 55740641 in words is "fifty-five million, seven hundred forty thousand, six hundred forty-one".