53412929 has 4 divisors (see below), whose sum is σ = 56554884. Its totient is φ = 50270976.

The previous prime is 53412911. The next prime is 53412949. The reversal of 53412929 is 92921435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92921435 = 5 ⋅18584287.

It can be written as a sum of positive squares in 2 ways, for example, as 28890625 + 24522304 = 5375^2 + 4952^2 .

It is a cyclic number.

It is not a de Polignac number, because 53412929 - 2¹² = 53408833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53412949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570952 + ... + 1570985.

It is an arithmetic number, because the mean of its divisors is an integer number (14138721).

Almost surely, 2^53412929 is an apocalyptic number.

It is an amenable number.

53412929 is a deficient number, since it is larger than the sum of its proper divisors (3141955).

53412929 is a wasteful number, since it uses less digits than its factorization.

53412929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141954.

The product of its digits is 19440, while the sum is 35.

The square root of 53412929 is about 7308.4149444322. The cubic root of 53412929 is about 376.6015744500.

The spelling of 53412929 in words is "fifty-three million, four hundred twelve thousand, nine hundred twenty-nine".