54625613 has 4 divisors (see below), whose sum is σ = 62429280. Its totient is φ = 46821948.

The previous prime is 54625567. The next prime is 54625643. The reversal of 54625613 is 31652645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31652645 = 5 ⋅6330529.

It is a cyclic number.

It is not a de Polignac number, because 54625613 - 2¹⁰ = 54624589 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 54625613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54625643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3901823 + ... + 3901836.

It is an arithmetic number, because the mean of its divisors is an integer number (15607320).

Almost surely, 2^54625613 is an apocalyptic number.

It is an amenable number.

54625613 is a deficient number, since it is larger than the sum of its proper divisors (7803667).

54625613 is an equidigital number, since it uses as much as digits as its factorization.

54625613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803666.

The product of its digits is 21600, while the sum is 32.

The square root of 54625613 is about 7390.9142194995. The cubic root of 54625613 is about 379.4303861970.

The spelling of 54625613 in words is "fifty-four million, six hundred twenty-five thousand, six hundred thirteen".