54412521 has 16 divisors (see below), whose sum is σ = 73853184. Its totient is φ = 35627904.

The previous prime is 54412517. The next prime is 54412537. The reversal of 54412521 is 12521445.

It is not a de Polignac number, because 54412521 - 2² = 54412517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54412491 and 54412500.

It is not an unprimeable number, because it can be changed into a prime (54412541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80035 + ... + 80711.

It is an arithmetic number, because the mean of its divisors is an integer number (4615824).

Almost surely, 2^54412521 is an apocalyptic number.

It is an amenable number.

54412521 is a deficient number, since it is larger than the sum of its proper divisors (19440663).

54412521 is a wasteful number, since it uses less digits than its factorization.

54412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its digits is 1600, while the sum is 24.

The square root of 54412521 is about 7376.4843252053. The cubic root of 54412521 is about 378.9363630992.

Adding to 54412521 its reverse (12521445), we get a palindrome (66933966).

The spelling of 54412521 in words is "fifty-four million, four hundred twelve thousand, five hundred twenty-one".