53749782 has 24 divisors (see below), whose sum is σ = 116638704. Its totient is φ = 17888784.

The previous prime is 53749777. The next prime is 53749793. The reversal of 53749782 is 28794735.

53749782 is a `hidden beast` number, since 537 + 49 + 78 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11983 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (4859946).

Almost surely, 2^53749782 is an apocalyptic number.

53749782 is an abundant number, since it is smaller than the sum of its proper divisors (62888922).

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

53749782 is a wasteful number, since it uses less digits than its factorization.

53749782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4641 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 53749782 is about 7331.4242818159. The cubic root of 53749782 is about 377.3916055030.

The spelling of 53749782 in words is "fifty-three million, seven hundred forty-nine thousand, seven hundred eighty-two".