53018780 has 24 divisors (see below), whose sum is σ = 114350208. Its totient is φ = 20634048.

The previous prime is 53018741. The next prime is 53018783. The reversal of 53018780 is 8781035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53018783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35084 + ... + 36563.

It is an arithmetic number, because the mean of its divisors is an integer number (4764592).

Almost surely, 2^53018780 is an apocalyptic number.

It is an amenable number.

53018780 is an abundant number, since it is smaller than the sum of its proper divisors (61331428).

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

53018780 is a wasteful number, since it uses less digits than its factorization.

53018780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71693 (or 71691 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 53018780 is about 7281.3995907380. The cubic root of 53018780 is about 375.6729368787.

The spelling of 53018780 in words is "fifty-three million, eighteen thousand, seven hundred eighty".