55544745 has 8 divisors (see below), whose sum is σ = 88871616. Its totient is φ = 29623856.

The previous prime is 55544743. The next prime is 55544759. The reversal of 55544745 is 54744555.

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

It is a cyclic number.

It is not a de Polignac number, because 55544745 - 2¹ = 55544743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55544743) 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, 1851477 + ... + 1851506.

It is an arithmetic number, because the mean of its divisors is an integer number (11108952).

Almost surely, 2^55544745 is an apocalyptic number.

It is an amenable number.

55544745 is a deficient number, since it is larger than the sum of its proper divisors (33326871).

55544745 is a wasteful number, since it uses less digits than its factorization.

55544745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702991.

The product of its digits is 280000, while the sum is 39.

The square root of 55544745 is about 7452.8346956041. The cubic root of 55544745 is about 381.5466625851.

The spelling of 55544745 in words is "fifty-five million, five hundred forty-four thousand, seven hundred forty-five".