53443742 has 16 divisors (see below), whose sum is σ = 88016112. Its totient is φ = 24136320.

The previous prime is 53443739. The next prime is 53443757. The reversal of 53443742 is 24734435.

It is a junction number, because it is equal to n+sod(n) for n = 53443699 and 53443708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283 + ... + 11190.

It is an arithmetic number, because the mean of its divisors is an integer number (5501007).

Almost surely, 2^53443742 is an apocalyptic number.

53443742 is a deficient number, since it is larger than the sum of its proper divisors (34572370).

53443742 is a wasteful number, since it uses less digits than its factorization.

53443742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643.

The product of its digits is 40320, while the sum is 32.

The square root of 53443742 is about 7310.5226899313. The cubic root of 53443742 is about 376.6739788523.

The spelling of 53443742 in words is "fifty-three million, four hundred forty-three thousand, seven hundred forty-two".