54021612 has 24 divisors (see below), whose sum is σ = 128733696. Its totient is φ = 17623888.

The previous prime is 54021607. The next prime is 54021613. The reversal of 54021612 is 21612045.

It is not an unprimeable number, because it can be changed into a prime (54021613) 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, 47328 + ... + 48455.

It is an arithmetic number, because the mean of its divisors is an integer number (5363904).

Almost surely, 2^54021612 is an apocalyptic number.

It is an amenable number.

54021612 is an abundant number, since it is smaller than the sum of its proper divisors (74712084).

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

54021612 is a wasteful number, since it uses less digits than its factorization.

54021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95837 (or 95835 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 54021612 is about 7349.9395915885. The cubic root of 54021612 is about 378.0267330832.

Adding to 54021612 its reverse (21612045), we get a palindrome (75633657).

The spelling of 54021612 in words is "fifty-four million, twenty-one thousand, six hundred twelve".