53029457 has 4 divisors (see below), whose sum is σ = 57108660. Its totient is φ = 48950256.

The previous prime is 53029453. The next prime is 53029469. The reversal of 53029457 is 75492035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3129361 + 49900096 = 1769^2 + 7064^2 .

It is a cyclic number.

It is not a de Polignac number, because 53029457 - 2² = 53029453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53029451) 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, 2039582 + ... + 2039607.

It is an arithmetic number, because the mean of its divisors is an integer number (14277165).

Almost surely, 2^53029457 is an apocalyptic number.

It is an amenable number.

53029457 is a deficient number, since it is larger than the sum of its proper divisors (4079203).

53029457 is a wasteful number, since it uses less digits than its factorization.

53029457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079202.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 53029457 is about 7282.1327233167. The cubic root of 53029457 is about 375.6981530426.

The spelling of 53029457 in words is "fifty-three million, twenty-nine thousand, four hundred fifty-seven".