53881429 has 6 divisors (see below), whose sum is σ = 62678454. Its totient is φ = 46184040.

The previous prime is 53881393. The next prime is 53881493. The reversal of 53881429 is 92418835.

53881429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 7300804 = 6825^2 + 2702^2 .

It is not a de Polignac number, because 53881429 - 2¹⁵ = 53848661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53881391 and 53881400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53882429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 549762 + ... + 549859.

It is an arithmetic number, because the mean of its divisors is an integer number (10446409).

Almost surely, 2^53881429 is an apocalyptic number.

It is an amenable number.

53881429 is a deficient number, since it is larger than the sum of its proper divisors (8797025).

53881429 is a wasteful number, since it uses less digits than its factorization.

53881429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099635 (or 1099628 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 53881429 is about 7340.3970601051. The cubic root of 53881429 is about 377.6994639056.

The spelling of 53881429 in words is "fifty-three million, eight hundred eighty-one thousand, four hundred twenty-nine".