54215028 has 48 divisors (see below), whose sum is σ = 160639360. Its totient is φ = 15489792.

The previous prime is 54215011. The next prime is 54215053. The reversal of 54215028 is 82051245.

It is a happy number.

54215028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54215028² = 5878538522081568, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 54214992 and 54215010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35101 + ... + 36612.

Almost surely, 2^54215028 is an apocalyptic number.

It is an amenable number.

54215028 is an abundant number, since it is smaller than the sum of its proper divisors (106424332).

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

54215028 is a wasteful number, since it uses less digits than its factorization.

54215028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71733 (or 71725 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54215028 is about 7363.0854945464. The cubic root of 54215028 is about 378.4773510759.

The spelling of 54215028 in words is "fifty-four million, two hundred fifteen thousand, twenty-eight".