53445634 has 16 divisors (see below), whose sum is σ = 87721056. Its totient is φ = 24220000.

The previous prime is 53445619. The next prime is 53445647. The reversal of 53445634 is 43654435.

It is a self number, because there is not a number n which added to its sum of digits gives 53445634.

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, 4134 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (5482566).

Almost surely, 2^53445634 is an apocalyptic number.

53445634 is a deficient number, since it is larger than the sum of its proper divisors (34275422).

53445634 is a wasteful number, since it uses less digits than its factorization.

53445634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its digits is 86400, while the sum is 34.

The square root of 53445634 is about 7310.6520912980. The cubic root of 53445634 is about 376.6784237679.

The spelling of 53445634 in words is "fifty-three million, four hundred forty-five thousand, six hundred thirty-four".