53949434 has 32 divisors (see below), whose sum is σ = 103251456. Its totient is φ = 20527920.

The previous prime is 53949433. The next prime is 53949451. The reversal of 53949434 is 43494935.

It is a junction number, because it is equal to n+sod(n) for n = 53949391 and 53949400.

It is not an unprimeable number, because it can be changed into a prime (53949433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2549 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (3226608).

Almost surely, 2^53949434 is an apocalyptic number.

53949434 is a deficient number, since it is larger than the sum of its proper divisors (49302022).

53949434 is a wasteful number, since it uses less digits than its factorization.

53949434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its digits is 233280, while the sum is 41.

The square root of 53949434 is about 7345.0278420167. The cubic root of 53949434 is about 377.8582981831.

The spelling of 53949434 in words is "fifty-three million, nine hundred forty-nine thousand, four hundred thirty-four".