53147734 has 4 divisors (see below), whose sum is σ = 79721604. Its totient is φ = 26573866.

The previous prime is 53147701. The next prime is 53147753. The reversal of 53147734 is 43774135.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53147734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13286932 + ... + 13286935.

It is an arithmetic number, because the mean of its divisors is an integer number (19930401).

Almost surely, 2^53147734 is an apocalyptic number.

53147734 is a deficient number, since it is larger than the sum of its proper divisors (26573870).

53147734 is a wasteful number, since it uses less digits than its factorization.

53147734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26573869.

The product of its digits is 35280, while the sum is 34.

The square root of 53147734 is about 7290.2492412811. The cubic root of 53147734 is about 375.9772649223.

The spelling of 53147734 in words is "fifty-three million, one hundred forty-seven thousand, seven hundred thirty-four".