53301780 has 192 divisors, whose sum is σ = 193536000. Its totient is φ = 11926656.

The previous prime is 53301769. The next prime is 53301799. The reversal of 53301780 is 8710335.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222901 + ... + 223139.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^53301780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53301780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96768000).

53301780 is an abundant number, since it is smaller than the sum of its proper divisors (140234220).

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

53301780 is a wasteful number, since it uses less digits than its factorization.

53301780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 53301780 is about 7300.8068047306. The cubic root of 53301780 is about 376.3401648497.

The spelling of 53301780 in words is "fifty-three million, three hundred one thousand, seven hundred eighty".