55327947 has 8 divisors (see below), whose sum is σ = 74088144. Its totient is φ = 36726528.

The previous prime is 55327939. The next prime is 55327991. The reversal of 55327947 is 74972355.

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

It is not a de Polignac number, because 55327947 - 2³ = 55327939 is a prime.

It is a super-2 number, since 2×55327947² = 6122363438469618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55327899 and 55327908.

It is not an unprimeable number, because it can be changed into a prime (55327147) 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, 38878 + ... + 40275.

It is an arithmetic number, because the mean of its divisors is an integer number (9261018).

Almost surely, 2^55327947 is an apocalyptic number.

55327947 is a deficient number, since it is larger than the sum of its proper divisors (18760197).

55327947 is a wasteful number, since it uses less digits than its factorization.

55327947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79389.

The product of its digits is 264600, while the sum is 42.

The square root of 55327947 is about 7438.2758082771. The cubic root of 55327947 is about 381.0496074177.

It can be divided in two parts, 5532794 and 7, that added together give a triangular number (5532801 = T₃₃₂₆).

The spelling of 55327947 in words is "fifty-five million, three hundred twenty-seven thousand, nine hundred forty-seven".