55584731 has 8 divisors (see below), whose sum is σ = 56060304. Its totient is φ = 55111680.

The previous prime is 55584653. The next prime is 55584733. The reversal of 55584731 is 13748555.

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 55584731 - 2¹⁰ = 55583707 is a prime.

It is a super-2 number, since 2×55584731² = 6179324640684722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55584733) 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, 80096 + ... + 80786.

It is an arithmetic number, because the mean of its divisors is an integer number (7007538).

Almost surely, 2^55584731 is an apocalyptic number.

55584731 is a deficient number, since it is larger than the sum of its proper divisors (475573).

55584731 is a wasteful number, since it uses less digits than its factorization.

55584731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its digits is 84000, while the sum is 38.

The square root of 55584731 is about 7455.5168164253. The cubic root of 55584731 is about 381.6381975888.

The spelling of 55584731 in words is "fifty-five million, five hundred eighty-four thousand, seven hundred thirty-one".