49997458 has 8 divisors (see below), whose sum is σ = 85709952. Its totient is φ = 21427476.

The previous prime is 49997447. The next prime is 49997473. The reversal of 49997458 is 85479994.

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

It is a junction number, because it is equal to n+sod(n) for n = 49997399 and 49997408.

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, 1785610 + ... + 1785637.

It is an arithmetic number, because the mean of its divisors is an integer number (10713744).

Almost surely, 2^49997458 is an apocalyptic number.

49997458 is a deficient number, since it is larger than the sum of its proper divisors (35712494).

49997458 is a wasteful number, since it uses less digits than its factorization.

49997458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571256.

The product of its digits is 3265920, while the sum is 55.

The square root of 49997458 is about 7070.8880630371. Note that the first 3 decimals coincide. The cubic root of 49997458 is about 368.3969065529.

The spelling of 49997458 in words is "forty-nine million, nine hundred ninety-seven thousand, four hundred fifty-eight".