53443274 has 16 divisors (see below), whose sum is σ = 85131648. Its totient is φ = 25075392.

The previous prime is 53443267. The next prime is 53443297. The reversal of 53443274 is 47234435.

It is a self number, because there is not a number n which added to its sum of digits gives 53443274.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10337 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (5320728).

Almost surely, 2^53443274 is an apocalyptic number.

53443274 is a deficient number, since it is larger than the sum of its proper divisors (31688374).

53443274 is a wasteful number, since it uses less digits than its factorization.

53443274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669.

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

The square root of 53443274 is about 7310.4906812060. The cubic root of 53443274 is about 376.6728793539.

The spelling of 53443274 in words is "fifty-three million, four hundred forty-three thousand, two hundred seventy-four".