53524640 has 48 divisors (see below), whose sum is σ = 136184328. Its totient is φ = 19762176.

The previous prime is 53524621. The next prime is 53524649. The reversal of 53524640 is 4642535.

It can be written as a sum of positive squares in 4 ways, for example, as 19465744 + 34058896 = 4412^2 + 5836^2 .

It is not an unprimeable number, because it can be changed into a prime (53524649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10787 + ... + 14946.

Almost surely, 2^53524640 is an apocalyptic number.

It is an amenable number.

53524640 is an abundant number, since it is smaller than the sum of its proper divisors (82659688).

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

53524640 is a wasteful number, since it uses less digits than its factorization.

53524640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761 (or 25753 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 53524640 is about 7316.0535809957. The cubic root of 53524640 is about 376.8639406579.

The spelling of 53524640 in words is "fifty-three million, five hundred twenty-four thousand, six hundred forty".