538477056 has 240 divisors, whose sum is σ = 1709187480. Its totient is φ = 162201600.

The previous prime is 538477033. The next prime is 538477061. The reversal of 538477056 is 650774835.

538477056 is a `hidden beast` number, since 538 + 47 + 70 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 431974656 + 106502400 = 20784^2 + 10320^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5331406 + ... + 5331506.

Almost surely, 2^538477056 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 538477056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854593740).

538477056 is an abundant number, since it is smaller than the sum of its proper divisors (1170710424).

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

538477056 is a wasteful number, since it uses less digits than its factorization.

538477056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 538477056 is about 23205.1084031081. The cubic root of 538477056 is about 813.5590260225.

The spelling of 538477056 in words is "five hundred thirty-eight million, four hundred seventy-seven thousand, fifty-six".