53693574 has 32 divisors (see below), whose sum is σ = 118371456. Its totient is φ = 16101120.

The previous prime is 53693573. The next prime is 53693597. The reversal of 53693574 is 47539635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53693573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (3699108).

Almost surely, 2^53693574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53693574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59185728).

53693574 is an abundant number, since it is smaller than the sum of its proper divisors (64677882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53693574 is a wasteful number, since it uses less digits than its factorization.

53693574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500.

The product of its digits is 340200, while the sum is 42.

The square root of 53693574 is about 7327.5899175650. The cubic root of 53693574 is about 377.2600091500.

The spelling of 53693574 in words is "fifty-three million, six hundred ninety-three thousand, five hundred seventy-four".