55744547 has 8 divisors (see below), whose sum is σ = 59136336. Its totient is φ = 52365312.

The previous prime is 55744531. The next prime is 55744567. The reversal of 55744547 is 74544755.

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 55744547 - 2⁴ = 55744531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55744567) 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, 6968 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (7392042).

Almost surely, 2^55744547 is an apocalyptic number.

55744547 is a deficient number, since it is larger than the sum of its proper divisors (3391789).

55744547 is a wasteful number, since it uses less digits than its factorization.

55744547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277.

The product of its digits is 392000, while the sum is 41.

The square root of 55744547 is about 7466.2270927156. The cubic root of 55744547 is about 382.0036068663.

The spelling of 55744547 in words is "fifty-five million, seven hundred forty-four thousand, five hundred forty-seven".