50556100100055 has 32 divisors (see below), whose sum is σ = 88243744757760. Its totient is φ = 24511945745280.

The previous prime is 50556100100029. The next prime is 50556100100117. The reversal of 50556100100055 is 55000100165505.

It is not a de Polignac number, because 50556100100055 - 2⁷ = 50556100099927 is a prime.

It is a super-2 number, since 2×50556100100055² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 50556100099989 and 50556100100025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51717306 + ... + 52685784.

It is an arithmetic number, because the mean of its divisors is an integer number (2757617023680).

Almost surely, 2^{50556100100055} is an apocalyptic number.

50556100100055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50556100100055 is a deficient number, since it is larger than the sum of its proper divisors (37687644657705).

50556100100055 is a wasteful number, since it uses less digits than its factorization.

50556100100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284871.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 50556100100055 in words is "fifty trillion, five hundred fifty-six billion, one hundred million, one hundred thousand, fifty-five".