54421313 has 4 divisors (see below), whose sum is σ = 56297940. Its totient is φ = 52544688.

The previous prime is 54421307. The next prime is 54421319. The reversal of 54421313 is 31312445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31312445 = 5 ⋅6262489.

It is an interprime number because it is at equal distance from previous prime (54421307) and next prime (54421319).

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 45252529 = 3028^2 + 6727^2 .

It is a cyclic number.

It is not a de Polignac number, because 54421313 - 2¹² = 54417217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54421319) 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, 938270 + ... + 938327.

It is an arithmetic number, because the mean of its divisors is an integer number (14074485).

Almost surely, 2^54421313 is an apocalyptic number.

It is an amenable number.

54421313 is a deficient number, since it is larger than the sum of its proper divisors (1876627).

54421313 is a wasteful number, since it uses less digits than its factorization.

54421313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876626.

The product of its digits is 1440, while the sum is 23.

The square root of 54421313 is about 7377.0802489874. The cubic root of 54421313 is about 378.9567715703.

Adding to 54421313 its reverse (31312445), we get a palindrome (85733758).

The spelling of 54421313 in words is "fifty-four million, four hundred twenty-one thousand, three hundred thirteen".