53890356 has 24 divisors (see below), whose sum is σ = 135417184. Its totient is φ = 16581600.

The previous prime is 53890351. The next prime is 53890379. The reversal of 53890356 is 65309835.

53890356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53890351) 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 7 ways as a sum of consecutive naturals, for example, 172570 + ... + 172881.

Almost surely, 2^53890356 is an apocalyptic number.

It is an amenable number.

53890356 is an abundant number, since it is smaller than the sum of its proper divisors (81526828).

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

53890356 is a wasteful number, since it uses less digits than its factorization.

53890356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345471 (or 345469 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 53890356 is about 7341.0051082941. The cubic root of 53890356 is about 377.7203216605.

The spelling of 53890356 in words is "fifty-three million, eight hundred ninety thousand, three hundred fifty-six".