53912390 has 16 divisors (see below), whose sum is σ = 110905632. Its totient is φ = 18484224.

The previous prime is 53912347. The next prime is 53912407. The reversal of 53912390 is 9321935.

53912390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 385019 + ... + 385158.

It is an arithmetic number, because the mean of its divisors is an integer number (6931602).

Almost surely, 2^53912390 is an apocalyptic number.

53912390 is an abundant number, since it is smaller than the sum of its proper divisors (56993242).

53912390 is a wasteful number, since it uses less digits than its factorization.

53912390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770191.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 53912390 is about 7342.5057030962. The cubic root of 53912390 is about 377.7717937986.

The spelling of 53912390 in words is "fifty-three million, nine hundred twelve thousand, three hundred ninety".