49839561954 has 112 divisors (see below), whose sum is σ = 137954507712. Its totient is φ = 13144464864.

The previous prime is 49839561913. The next prime is 49839561973. The reversal of 49839561954 is 45916593894.

49839561954 is a `hidden beast` number, since 4 + 9 + 8 + 3 + 9 + 5 + 619 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 49839561891 and 49839561900.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 55144 + ... + 320499.

It is an arithmetic number, because the mean of its divisors is an integer number (1231736676).

Almost surely, 2^49839561954 is an apocalyptic number.

49839561954 is an abundant number, since it is smaller than the sum of its proper divisors (88114945758).

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

49839561954 is a wasteful number, since it uses less digits than its factorization.

49839561954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375683 (or 375668 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 49839561954 in words is "forty-nine billion, eight hundred thirty-nine million, five hundred sixty-one thousand, nine hundred fifty-four".