54019812 has 192 divisors, whose sum is σ = 176117760. Its totient is φ = 12441600.

The previous prime is 54019811. The next prime is 54019813. The reversal of 54019812 is 21891045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54019811) and next prime (54019813).

It is a self number, because there is not a number n which added to its sum of digits gives 54019812.

It is not an unprimeable number, because it can be changed into a prime (54019811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298362 + ... + 298542.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^54019812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54019812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

54019812 is an abundant number, since it is smaller than the sum of its proper divisors (122097948).

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

54019812 is a wasteful number, since it uses less digits than its factorization.

54019812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 54019812 is about 7349.8171405825. The cubic root of 54019812 is about 378.0225344199.

The spelling of 54019812 in words is "fifty-four million, nineteen thousand, eight hundred twelve".