54785245 has 4 divisors (see below), whose sum is σ = 65742300. Its totient is φ = 43828192.

The previous prime is 54785239. The next prime is 54785257. The reversal of 54785245 is 54258745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54258745 = 5 ⋅10851749.

It can be written as a sum of positive squares in 2 ways, for example, as 33051001 + 21734244 = 5749^2 + 4662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54785245 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54785198 and 54785207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478520 + ... + 5478529.

It is an arithmetic number, because the mean of its divisors is an integer number (16435575).

Almost surely, 2^54785245 is an apocalyptic number.

It is an amenable number.

54785245 is a deficient number, since it is larger than the sum of its proper divisors (10957055).

54785245 is a wasteful number, since it uses less digits than its factorization.

54785245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957054.

The product of its digits is 224000, while the sum is 40.

The square root of 54785245 is about 7401.7055466967. The cubic root of 54785245 is about 379.7996288981.

The spelling of 54785245 in words is "fifty-four million, seven hundred eighty-five thousand, two hundred forty-five".