50010055555551 has 48 divisors (see below), whose sum is σ = 84345779556864. Its totient is φ = 25665986146176.

The previous prime is 50010055555543. The next prime is 50010055555613. The reversal of 50010055555551 is 15555555001005.

It is not a de Polignac number, because 50010055555551 - 2³ = 50010055555543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50010055505551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66531675 + ... + 67279148.

It is an arithmetic number, because the mean of its divisors is an integer number (1757203740768).

Almost surely, 2^{50010055555551} is an apocalyptic number.

50010055555551 is a deficient number, since it is larger than the sum of its proper divisors (34335724001313).

50010055555551 is a wasteful number, since it uses less digits than its factorization.

50010055555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133810920 (or 133810883 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 50010055555551 in words is "fifty trillion, ten billion, fifty-five million, five hundred fifty-five thousand, five hundred fifty-one".