53007740 has 12 divisors (see below), whose sum is σ = 111316296. Its totient is φ = 21203088.

The previous prime is 53007727. The next prime is 53007743. The reversal of 53007740 is 4770035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53007743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325174 + ... + 1325213.

It is an arithmetic number, because the mean of its divisors is an integer number (9276358).

Almost surely, 2^53007740 is an apocalyptic number.

It is an amenable number.

53007740 is an abundant number, since it is smaller than the sum of its proper divisors (58308556).

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

53007740 is a wasteful number, since it uses less digits than its factorization.

53007740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650396 (or 2650394 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 53007740 is about 7280.6414552565. The cubic root of 53007740 is about 375.6468598476.

Adding to 53007740 its reverse (4770035), we get a palindrome (57777775).

The spelling of 53007740 in words is "fifty-three million, seven thousand, seven hundred forty".