53501712 has 80 divisors (see below), whose sum is σ = 152347392. Its totient is φ = 16044160.

The previous prime is 53501689. The next prime is 53501713. The reversal of 53501712 is 21710535.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (53501713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56023 + ... + 56969.

Almost surely, 2^53501712 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 53501712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76173696).

53501712 is an abundant number, since it is smaller than the sum of its proper divisors (98845680).

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

53501712 is a wasteful number, since it uses less digits than its factorization.

53501712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 53501712 is about 7314.4864481384. The cubic root of 53501712 is about 376.8101213918.

The spelling of 53501712 in words is "fifty-three million, five hundred one thousand, seven hundred twelve".