1506056556550 has 384 divisors, whose sum is σ = 3817555660800. Its totient is φ = 428163563520.

The previous prime is 1506056556523. The next prime is 1506056556593. The reversal of 1506056556550 is 556556506051.

It is a junction number, because it is equal to n+sod(n) for n = 1506056556494 and 1506056556503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1492622446 + ... + 1492623454.

It is an arithmetic number, because the mean of its divisors is an integer number (9941551200).

Almost surely, 2^{1506056556550} is an apocalyptic number.

1506056556550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1506056556550 is an abundant number, since it is smaller than the sum of its proper divisors (2311499104250).

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

1506056556550 is a wasteful number, since it uses less digits than its factorization.

1506056556550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 1506056556550 in words is "one trillion, five hundred six billion, fifty-six million, five hundred fifty-six thousand, five hundred fifty".