50021355305154 has 64 divisors (see below), whose sum is σ = 102947558313600. Its totient is φ = 16194046901760.

The previous prime is 50021355305147. The next prime is 50021355305191. The reversal of 50021355305154 is 45150355312005.

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, 405136822 + ... + 405260270.

It is an arithmetic number, because the mean of its divisors is an integer number (1608555598650).

Almost surely, 2^{50021355305154} is an apocalyptic number.

50021355305154 is an abundant number, since it is smaller than the sum of its proper divisors (52926203008446).

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

50021355305154 is a wasteful number, since it uses less digits than its factorization.

50021355305154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132355.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 50021355305154 in words is "fifty trillion, twenty-one billion, three hundred fifty-five million, three hundred five thousand, one hundred fifty-four".