49999458 has 16 divisors (see below), whose sum is σ = 101886336. Its totient is φ = 16351920.

The previous prime is 49999441. The next prime is 49999463. The reversal of 49999458 is 85499994.

It is a junction number, because it is equal to n+sod(n) for n = 49999398 and 49999407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78298 + ... + 78933.

It is an arithmetic number, because the mean of its divisors is an integer number (6367896).

Almost surely, 2^49999458 is an apocalyptic number.

49999458 is an abundant number, since it is smaller than the sum of its proper divisors (51886878).

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

49999458 is a wasteful number, since it uses less digits than its factorization.

49999458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157289.

The product of its digits is 4199040, while the sum is 57.

The square root of 49999458 is about 7071.0294865741. The cubic root of 49999458 is about 368.4018186958.

The spelling of 49999458 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred fifty-eight".