53070724 has 36 divisors (see below), whose sum is σ = 113730960. Its totient is φ = 21546000.

The previous prime is 53070709. The next prime is 53070727. The reversal of 53070724 is 42707035.

53070724 = T₁₃₃₆ + T₁₃₃₇ + ... + T₁₃₉₂.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 53070692 and 53070701.

It is not an unprimeable number, because it can be changed into a prime (53070727) 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, 3402 + ... + 10849.

Almost surely, 2^53070724 is an apocalyptic number.

It is an amenable number.

53070724 is an abundant number, since it is smaller than the sum of its proper divisors (60660236).

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

53070724 is a wasteful number, since it uses less digits than its factorization.

53070724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288 (or 14279 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 53070724 is about 7284.9656141948. The cubic root of 53070724 is about 375.7955826388.

Adding to 53070724 its reverse (42707035), we get a palindrome (95777759).

The spelling of 53070724 in words is "fifty-three million, seventy thousand, seven hundred twenty-four".