53771429 has 4 divisors (see below), whose sum is σ = 54452160. Its totient is φ = 53090700.

The previous prime is 53771411. The next prime is 53771437. The reversal of 53771429 is 92417735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53771429 - 2⁸ = 53771173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53771392 and 53771401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53771489) 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, 340247 + ... + 340404.

It is an arithmetic number, because the mean of its divisors is an integer number (13613040).

Almost surely, 2^53771429 is an apocalyptic number.

It is an amenable number.

53771429 is a deficient number, since it is larger than the sum of its proper divisors (680731).

53771429 is an equidigital number, since it uses as much as digits as its factorization.

53771429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680730.

The product of its digits is 52920, while the sum is 38.

The square root of 53771429 is about 7332.9004493447. The cubic root of 53771429 is about 377.4422618301.

The spelling of 53771429 in words is "fifty-three million, seven hundred seventy-one thousand, four hundred twenty-nine".