52740480 has 128 divisors (see below), whose sum is σ = 181127520. Its totient is φ = 12976128.

The previous prime is 52740463. The next prime is 52740497. The reversal of 52740480 is 8404725.

It is an interprime number because it is at equal distance from previous prime (52740463) and next prime (52740497).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23904 + ... + 26016.

Almost surely, 2^52740480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52740480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90563760).

52740480 is an abundant number, since it is smaller than the sum of its proper divisors (128387040).

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

52740480 is a wasteful number, since it uses less digits than its factorization.

52740480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 52740480 is about 7262.2641097663. The cubic root of 52740480 is about 375.0144705527.

The spelling of 52740480 in words is "fifty-two million, seven hundred forty thousand, four hundred eighty".