501025056 has 48 divisors (see below), whose sum is σ = 1503077184. Its totient is φ = 143149824.

The previous prime is 501025051. The next prime is 501025087. The reversal of 501025056 is 650520105.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×501025056² = 502052213479606272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (501025051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372115 + ... + 373458.

It is an arithmetic number, because the mean of its divisors is an integer number (31314108).

Almost surely, 2^501025056 is an apocalyptic number.

501025056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

501025056 is an abundant number, since it is smaller than the sum of its proper divisors (1002052128).

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

501025056 is a wasteful number, since it uses less digits than its factorization.

501025056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745593 (or 745585 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 501025056 is about 22383.5889883638. The cubic root of 501025056 is about 794.2425474087.

The spelling of 501025056 in words is "five hundred one million, twenty-five thousand, fifty-six".