55547136 has 54 divisors (see below), whose sum is σ = 160162730. Its totient is φ = 18514944.

The previous prime is 55547131. The next prime is 55547153. The reversal of 55547136 is 63174555.

55547136 is a `hidden beast` number, since 5 + 554 + 71 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 5760000 = 7056^2 + 2400^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55547136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55547131) 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 5 ways as a sum of consecutive naturals, for example, 9751 + ... + 14358.

Almost surely, 2^55547136 is an apocalyptic number.

It is an amenable number.

55547136 is an abundant number, since it is smaller than the sum of its proper divisors (104615594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55547136 is a wasteful number, since it uses less digits than its factorization.

55547136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24131 (or 24114 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 55547136 is about 7452.9951026416. The cubic root of 55547136 is about 381.5521372403.

The spelling of 55547136 in words is "fifty-five million, five hundred forty-seven thousand, one hundred thirty-six".