53381980 has 24 divisors (see below), whose sum is σ = 113640912. Its totient is φ = 21059712.

The previous prime is 53381957. The next prime is 53382013. The reversal of 53381980 is 8918335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16822 + ... + 19741.

It is an arithmetic number, because the mean of its divisors is an integer number (4735038).

Almost surely, 2^53381980 is an apocalyptic number.

It is an amenable number.

53381980 is an abundant number, since it is smaller than the sum of its proper divisors (60258932).

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

53381980 is a wasteful number, since it uses less digits than its factorization.

53381980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36645 (or 36643 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 53381980 is about 7306.2972838504. The cubic root of 53381980 is about 376.5288224388.

The spelling of 53381980 in words is "fifty-three million, three hundred eighty-one thousand, nine hundred eighty".