520553448 has 24 divisors (see below), whose sum is σ = 1409832450. Its totient is φ = 173517792.

The previous prime is 520553441. The next prime is 520553459. The reversal of 520553448 is 844355025.

520553448 is a `hidden beast` number, since 5 + 205 + 5 + 3 + 448 = 666.

It can be written as a sum of positive squares in only one way, i.e., 475152804 + 45400644 = 21798^2 + 6738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (520553441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3614883 + ... + 3615026.

Almost surely, 2^520553448 is an apocalyptic number.

It is an amenable number.

520553448 is an abundant number, since it is smaller than the sum of its proper divisors (889279002).

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

520553448 is a wasteful number, since it uses less digits than its factorization.

520553448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229921 (or 7229914 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 520553448 is about 22815.6404249366. The cubic root of 520553448 is about 804.4303406447.

It can be divided in two parts, 5205 and 53448, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 520553448 in words is "five hundred twenty million, five hundred fifty-three thousand, four hundred forty-eight".