53429916 has 24 divisors (see below), whose sum is σ = 125655040. Its totient is φ = 17669232.

The previous prime is 53429899. The next prime is 53429917. The reversal of 53429916 is 61992435.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53429917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16006 + ... + 19053.

Almost surely, 2^53429916 is an apocalyptic number.

It is an amenable number.

53429916 is an abundant number, since it is smaller than the sum of its proper divisors (72225124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53429916 is a wasteful number, since it uses less digits than its factorization.

53429916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35193 (or 35191 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 53429916 is about 7309.5770055455. The cubic root of 53429916 is about 376.6414939539.

It can be divided in two parts, 53429 and 916, that added together give a palindrome (54345).

The spelling of 53429916 in words is "fifty-three million, four hundred twenty-nine thousand, nine hundred sixteen".