53740678 has 4 divisors (see below), whose sum is σ = 80611020. Its totient is φ = 26870338.

The previous prime is 53740651. The next prime is 53740679. The reversal of 53740678 is 87604735.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 53740678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53740679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435168 + ... + 13435171.

It is an arithmetic number, because the mean of its divisors is an integer number (20152755).

Almost surely, 2^53740678 is an apocalyptic number.

53740678 is a deficient number, since it is larger than the sum of its proper divisors (26870342).

53740678 is a wasteful number, since it uses less digits than its factorization.

53740678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26870341.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 53740678 is about 7330.8033666168. The cubic root of 53740678 is about 377.3702970930.

The spelling of 53740678 in words is "fifty-three million, seven hundred forty thousand, six hundred seventy-eight".