55787673 has 8 divisors (see below), whose sum is σ = 77617728. Its totient is φ = 35574704.

The previous prime is 55787647. The next prime is 55787713. The reversal of 55787673 is 37678755.

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 55787673 - 2⁹ = 55787161 is a prime.

It is a super-2 number, since 2×55787673² = 6224528917509858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55787623) 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, 404190 + ... + 404327.

It is an arithmetic number, because the mean of its divisors is an integer number (9702216).

Almost surely, 2^55787673 is an apocalyptic number.

It is an amenable number.

55787673 is a deficient number, since it is larger than the sum of its proper divisors (21830055).

55787673 is a wasteful number, since it uses less digits than its factorization.

55787673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808543.

The product of its digits is 1234800, while the sum is 48.

The square root of 55787673 is about 7469.1146061632. The cubic root of 55787673 is about 382.1020920808.

The spelling of 55787673 in words is "fifty-five million, seven hundred eighty-seven thousand, six hundred seventy-three".