52540456 has 8 divisors (see below), whose sum is σ = 98513370. Its totient is φ = 26270224.

The previous prime is 52540429. The next prime is 52540457. The reversal of 52540456 is 65404525.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 24344356 = 5310^2 + 4934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (52540457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283771 + ... + 3283786.

Almost surely, 2^52540456 is an apocalyptic number.

It is an amenable number.

52540456 is a deficient number, since it is larger than the sum of its proper divisors (45972914).

52540456 is a wasteful number, since it uses less digits than its factorization.

52540456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567563 (or 6567559 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 52540456 is about 7248.4795647087. The cubic root of 52540456 is about 374.5397755618.

The spelling of 52540456 in words is "fifty-two million, five hundred forty thousand, four hundred fifty-six".