54451013 has 4 divisors (see below), whose sum is σ = 55922700. Its totient is φ = 52979328.

The previous prime is 54451003. The next prime is 54451021. The reversal of 54451013 is 31015445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31015445 = 5 ⋅6203089.

It can be written as a sum of positive squares in 2 ways, for example, as 48135844 + 6315169 = 6938^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 54451013 - 2⁸ = 54450757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54451013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735788 + ... + 735861.

It is an arithmetic number, because the mean of its divisors is an integer number (13980675).

Almost surely, 2^54451013 is an apocalyptic number.

It is an amenable number.

54451013 is a deficient number, since it is larger than the sum of its proper divisors (1471687).

54451013 is a wasteful number, since it uses less digits than its factorization.

54451013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471686.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 54451013 is about 7379.0929659410. The cubic root of 54451013 is about 379.0256965843.

Adding to 54451013 its reverse (31015445), we get a palindrome (85466458).

The spelling of 54451013 in words is "fifty-four million, four hundred fifty-one thousand, thirteen".