49857458 has 8 divisors (see below), whose sum is σ = 85469952. Its totient is φ = 21367476.

The previous prime is 49857449. The next prime is 49857461. The reversal of 49857458 is 85475894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49857458² = 4971532236443528, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780610 + ... + 1780637.

It is an arithmetic number, because the mean of its divisors is an integer number (10683744).

Almost surely, 2^49857458 is an apocalyptic number.

49857458 is a deficient number, since it is larger than the sum of its proper divisors (35612494).

49857458 is a wasteful number, since it uses less digits than its factorization.

49857458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561256.

The product of its digits is 1612800, while the sum is 50.

The square root of 49857458 is about 7060.9813765510. The cubic root of 49857458 is about 368.0527305110.

The spelling of 49857458 in words is "forty-nine million, eight hundred fifty-seven thousand, four hundred fifty-eight".