55289547 has 30 divisors (see below), whose sum is σ = 84527212. Its totient is φ = 36164232.

The previous prime is 55289519. The next prime is 55289557. The reversal of 55289547 is 74598255.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

55289547 is a `hidden beast` number, since 552 + 8 + 95 + 4 + 7 = 666.

It is not a de Polignac number, because 55289547 - 2⁸ = 55289291 is a prime.

It is a Duffinian number.

Its product of digits (504000) is a multiple of the sum of its prime divisors (56).

It is not an unprimeable number, because it can be changed into a prime (55289557) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1043173 + ... + 1043225.

Almost surely, 2^55289547 is an apocalyptic number.

55289547 is a deficient number, since it is larger than the sum of its proper divisors (29237665).

55289547 is an frugal number, since it uses more digits than its factorization.

55289547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 56 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 55289547 is about 7435.6941168932. The cubic root of 55289547 is about 380.9614320188.

The spelling of 55289547 in words is "fifty-five million, two hundred eighty-nine thousand, five hundred forty-seven".