53619747 has 4 divisors (see below), whose sum is σ = 71493000. Its totient is φ = 35746496.

The previous prime is 53619737. The next prime is 53619763. The reversal of 53619747 is 74791635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53619747 - 2¹⁰ = 53618723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53619699 and 53619708.

It is not an unprimeable number, because it can be changed into a prime (53619707) 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, 8936622 + ... + 8936627.

It is an arithmetic number, because the mean of its divisors is an integer number (17873250).

Almost surely, 2^53619747 is an apocalyptic number.

53619747 is a deficient number, since it is larger than the sum of its proper divisors (17873253).

53619747 is a wasteful number, since it uses less digits than its factorization.

53619747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17873252.

The product of its digits is 158760, while the sum is 42.

The square root of 53619747 is about 7322.5505802282. The cubic root of 53619747 is about 377.0870229024.

The spelling of 53619747 in words is "fifty-three million, six hundred nineteen thousand, seven hundred forty-seven".