50155645554451 has 16 divisors (see below), whose sum is σ = 51910114786560. Its totient is φ = 48402844832160.

The previous prime is 50155645554401. The next prime is 50155645554461. The reversal of 50155645554451 is 15445554655105.

It is a cyclic number.

It is not a de Polignac number, because 50155645554451 - 2²⁵ = 50155612000019 is a prime.

It is a super-2 number, since 2×50155645554451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50155645554392 and 50155645554401.

It is not an unprimeable number, because it can be changed into a prime (50155645554401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800116156 + ... + 800178838.

It is an arithmetic number, because the mean of its divisors is an integer number (3244382174160).

Almost surely, 2^{50155645554451} is an apocalyptic number.

50155645554451 is a deficient number, since it is larger than the sum of its proper divisors (1754469232109).

50155645554451 is a wasteful number, since it uses less digits than its factorization.

50155645554451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75546.

The product of its (nonzero) digits is 30000000, while the sum is 55.

The spelling of 50155645554451 in words is "fifty trillion, one hundred fifty-five billion, six hundred forty-five million, five hundred fifty-four thousand, four hundred fifty-one".