53150724 has 36 divisors (see below), whose sum is σ = 146568240. Its totient is φ = 16106160.

The previous prime is 53150717. The next prime is 53150729. The reversal of 53150724 is 42705135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53150729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66714 + ... + 67505.

It is an arithmetic number, because the mean of its divisors is an integer number (4071340).

Almost surely, 2^53150724 is an apocalyptic number.

It is an amenable number.

53150724 is an abundant number, since it is smaller than the sum of its proper divisors (93417516).

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

53150724 is a wasteful number, since it uses less digits than its factorization.

53150724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134240 (or 134235 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53150724 is about 7290.4543068316. The cubic root of 53150724 is about 375.9843154013.

Adding to 53150724 its reverse (42705135), we get a palindrome (95855859).

The spelling of 53150724 in words is "fifty-three million, one hundred fifty thousand, seven hundred twenty-four".