53270784 has 180 divisors, whose sum is σ = 182030464. Its totient is φ = 15178752.

The previous prime is 53270779. The next prime is 53270797. The reversal of 53270784 is 48707235.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 144969 + ... + 145335.

Almost surely, 2^53270784 is an apocalyptic number.

53270784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53270784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91015232).

53270784 is an abundant number, since it is smaller than the sum of its proper divisors (128759680).

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

53270784 is an equidigital number, since it uses as much as digits as its factorization.

53270784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 53270784 is about 7298.6837169451. The cubic root of 53270784 is about 376.2672010473.

The spelling of 53270784 in words is "fifty-three million, two hundred seventy thousand, seven hundred eighty-four".