53082540 has 240 divisors, whose sum is σ = 197750784. Its totient is φ = 11664000.

The previous prime is 53082539. The next prime is 53082553. The reversal of 53082540 is 4528035.

53082540 is a `hidden beast` number, since 530 + 82 + 54 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 351465 + ... + 351615.

Almost surely, 2^53082540 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 53082540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98875392).

53082540 is an abundant number, since it is smaller than the sum of its proper divisors (144668244).

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

53082540 is a wasteful number, since it uses less digits than its factorization.

53082540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 53082540 is about 7285.7765543558. The cubic root of 53082540 is about 375.8234704004.

The spelling of 53082540 in words is "fifty-three million, eighty-two thousand, five hundred forty".