53517394 has 16 divisors (see below), whose sum is σ = 97141248. Its totient is φ = 21586752.

The previous prime is 53517379. The next prime is 53517397. The reversal of 53517394 is 49371535.

It is a super-2 number, since 2×53517394² = 5728222921102472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53517397) 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 7 ways as a sum of consecutive naturals, for example, 112194 + ... + 112669.

It is an arithmetic number, because the mean of its divisors is an integer number (6071328).

Almost surely, 2^53517394 is an apocalyptic number.

53517394 is a deficient number, since it is larger than the sum of its proper divisors (43623854).

53517394 is a wasteful number, since it uses less digits than its factorization.

53517394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224889.

The product of its digits is 56700, while the sum is 37.

The square root of 53517394 is about 7315.5583518963. The cubic root of 53517394 is about 376.8469336660.

The spelling of 53517394 in words is "fifty-three million, five hundred seventeen thousand, three hundred ninety-four".