501061000055 has 48 divisors (see below), whose sum is σ = 775534603680. Its totient is φ = 307229126400.

The previous prime is 501061000021. The next prime is 501061000061. The reversal of 501061000055 is 550000160105.

It is not a de Polignac number, because 501061000055 - 2²⁴ = 501044222839 is a prime.

It is a super-2 number, since 2×501061000055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1359560 + ... + 1688349.

It is an arithmetic number, because the mean of its divisors is an integer number (16156970910).

Almost surely, 2^501061000055 is an apocalyptic number.

501061000055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501061000055 is a deficient number, since it is larger than the sum of its proper divisors (274473603625).

501061000055 is a wasteful number, since it uses less digits than its factorization.

501061000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048000 (or 3047993 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 501061000055 in words is "five hundred one billion, sixty-one million, fifty-five", and thus it is an aban number.