53013532 has 24 divisors (see below), whose sum is σ = 108994032. Its totient is φ = 22243200.

The previous prime is 53013529. The next prime is 53013547. The reversal of 53013532 is 23531035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45769 + ... + 46912.

It is an arithmetic number, because the mean of its divisors is an integer number (4541418).

Almost surely, 2^53013532 is an apocalyptic number.

53013532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53013532 is an abundant number, since it is smaller than the sum of its proper divisors (55980500).

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

53013532 is a wasteful number, since it uses less digits than its factorization.

53013532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92709 (or 92707 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 53013532 is about 7281.0392115412. The cubic root of 53013532 is about 375.6605412922.

Adding to 53013532 its reverse (23531035), we get a palindrome (76544567).

The spelling of 53013532 in words is "fifty-three million, thirteen thousand, five hundred thirty-two".