49420458 has 12 divisors (see below), whose sum is σ = 107077698. Its totient is φ = 16473480.

The previous prime is 49420451. The next prime is 49420471. The reversal of 49420458 is 85402494.

It can be written as a sum of positive squares in only one way, i.e., 32798529 + 16621929 = 5727^2 + 4077^2 .

It is not an unprimeable number, because it can be changed into a prime (49420451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1372773 + ... + 1372808.

Almost surely, 2^49420458 is an apocalyptic number.

49420458 is an abundant number, since it is smaller than the sum of its proper divisors (57657240).

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

49420458 is a wasteful number, since it uses less digits than its factorization.

49420458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745589 (or 2745586 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 49420458 is about 7029.9685632299. The cubic root of 49420458 is about 366.9742475130.

The spelling of 49420458 in words is "forty-nine million, four hundred twenty thousand, four hundred fifty-eight".