54015012 has 72 divisors (see below), whose sum is σ = 144074112. Its totient is φ = 17690400.

The previous prime is 54015011. The next prime is 54015029. The reversal of 54015012 is 21051045.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54015011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58837 + ... + 59747.

Almost surely, 2^54015012 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 54015012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72037056).

54015012 is an abundant number, since it is smaller than the sum of its proper divisors (90059100).

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

54015012 is a wasteful number, since it uses less digits than its factorization.

54015012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 54015012 is about 7349.4905945923. The cubic root of 54015012 is about 378.0113375284.

Adding to 54015012 its reverse (21051045), we get a palindrome (75066057).

It can be divided in two parts, 540150 and 12, that multiplied together give a triangular number (6481800 = T₃₆₀₀).

The spelling of 54015012 in words is "fifty-four million, fifteen thousand, twelve".