49999951801 has 32 divisors (see below), whose sum is σ = 55295032320. Its totient is φ = 45083001600.

The previous prime is 49999951789. The next prime is 49999951823. The reversal of 49999951801 is 10815999994.

It is not a de Polignac number, because 49999951801 - 2⁵ = 49999951769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49999951901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2897866 + ... + 2915068.

It is an arithmetic number, because the mean of its divisors is an integer number (1727969760).

Almost surely, 2^49999951801 is an apocalyptic number.

It is an amenable number.

49999951801 is a deficient number, since it is larger than the sum of its proper divisors (5295080519).

49999951801 is a wasteful number, since it uses less digits than its factorization.

49999951801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377.

The product of its (nonzero) digits is 9447840, while the sum is 64.

The spelling of 49999951801 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred fifty-one thousand, eight hundred one".