1528920056 has 16 divisors (see below), whose sum is σ = 2870615400. Its totient is φ = 763422624.

The previous prime is 1528920023. The next prime is 1528920061. The reversal of 1528920056 is 6500298251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123395 + ... + 135218.

Almost surely, 2^1528920056 is an apocalyptic number.

It is an amenable number.

1528920056 is a deficient number, since it is larger than the sum of its proper divisors (1341695344).

1528920056 is a wasteful number, since it uses less digits than its factorization.

1528920056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259358 (or 259354 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 1528920056 is about 39101.4073404014. The cubic root of 1528920056 is about 1152.0241744380.

The spelling of 1528920056 in words is "one billion, five hundred twenty-eight million, nine hundred twenty thousand, fifty-six".