53973778 has 8 divisors (see below), whose sum is σ = 84480768. Its totient is φ = 25813524.

The previous prime is 53973767. The next prime is 53973779. The reversal of 53973778 is 87737935.

53973778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53973779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586626 + ... + 586717.

It is an arithmetic number, because the mean of its divisors is an integer number (10560096).

Almost surely, 2^53973778 is an apocalyptic number.

53973778 is a deficient number, since it is larger than the sum of its proper divisors (30506990).

53973778 is a wasteful number, since it uses less digits than its factorization.

53973778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173368.

The product of its digits is 1111320, while the sum is 49.

The square root of 53973778 is about 7346.6848305886. The cubic root of 53973778 is about 377.9151242299.

The spelling of 53973778 in words is "fifty-three million, nine hundred seventy-three thousand, seven hundred seventy-eight".