54021123 has 36 divisors (see below), whose sum is σ = 88757760. Its totient is φ = 31469472.

The previous prime is 54021091. The next prime is 54021157. The reversal of 54021123 is 32112045.

54021123 is a `hidden beast` number, since 540 + 2 + 1 + 123 = 666.

It is not a de Polignac number, because 54021123 - 2⁵ = 54021091 is a prime.

It is a super-2 number, since 2×54021123² = 5836563460362258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54021096 and 54021105.

It is not an unprimeable number, because it can be changed into a prime (54021323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41598 + ... + 42876.

Almost surely, 2^54021123 is an apocalyptic number.

54021123 is a deficient number, since it is larger than the sum of its proper divisors (34736637).

54021123 is a wasteful number, since it uses less digits than its factorization.

54021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54021123 is about 7349.9063259337. The cubic root of 54021123 is about 378.0255924555.

Adding to 54021123 its reverse (32112045), we get a palindrome (86133168).

The spelling of 54021123 in words is "fifty-four million, twenty-one thousand, one hundred twenty-three".