54609012 has 24 divisors (see below), whose sum is σ = 141579200. Its totient is φ = 18202968.

The previous prime is 54608989. The next prime is 54609017. The reversal of 54609012 is 21090645.

54609012 is a `hidden beast` number, since 54 + 609 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×54609012² = 5964288383232288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54609017) 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, 252712 + ... + 252927.

Almost surely, 2^54609012 is an apocalyptic number.

It is an amenable number.

54609012 is an abundant number, since it is smaller than the sum of its proper divisors (86970188).

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

54609012 is a wasteful number, since it uses less digits than its factorization.

54609012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505652 (or 505644 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 54609012 is about 7389.7910660586. The cubic root of 54609012 is about 379.3919453650.

Adding to 54609012 its reverse (21090645), we get a palindrome (75699657).

The spelling of 54609012 in words is "fifty-four million, six hundred nine thousand, twelve".