54861136 has 20 divisors (see below), whose sum is σ = 115956864. Its totient is φ = 24936800.

The previous prime is 54861119. The next prime is 54861137. The reversal of 54861136 is 63116845.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54861137) 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 3 ways as a sum of consecutive naturals, for example, 155680 + ... + 156031.

Almost surely, 2^54861136 is an apocalyptic number.

It is an amenable number.

54861136 is an abundant number, since it is smaller than the sum of its proper divisors (61095728).

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

54861136 is a wasteful number, since it uses less digits than its factorization.

54861136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311730 (or 311724 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 54861136 is about 7406.8303612274. The cubic root of 54861136 is about 379.9749198590.

The spelling of 54861136 in words is "fifty-four million, eight hundred sixty-one thousand, one hundred thirty-six".