55572427 has 8 divisors (see below), whose sum is σ = 56232000. Its totient is φ = 54916680.

The previous prime is 55572373. The next prime is 55572443. The reversal of 55572427 is 72427555.

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 55572427 - 2²³ = 47183819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55572467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36324 + ... + 37822.

It is an arithmetic number, because the mean of its divisors is an integer number (7029000).

Almost surely, 2^55572427 is an apocalyptic number.

55572427 is a deficient number, since it is larger than the sum of its proper divisors (659573).

55572427 is a wasteful number, since it uses less digits than its factorization.

55572427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its digits is 98000, while the sum is 37.

The square root of 55572427 is about 7454.6916099863. The cubic root of 55572427 is about 381.6100362405.

The spelling of 55572427 in words is "fifty-five million, five hundred seventy-two thousand, four hundred twenty-seven".