49428454 has 4 divisors (see below), whose sum is σ = 74142684. Its totient is φ = 24714226.

The previous prime is 49428451. The next prime is 49428473. The reversal of 49428454 is 45482494.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49428451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12357112 + ... + 12357115.

It is an arithmetic number, because the mean of its divisors is an integer number (18535671).

Almost surely, 2^49428454 is an apocalyptic number.

49428454 is a deficient number, since it is larger than the sum of its proper divisors (24714230).

49428454 is a wasteful number, since it uses less digits than its factorization.

49428454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714229.

The product of its digits is 184320, while the sum is 40.

The square root of 49428454 is about 7030.5372483189. The cubic root of 49428454 is about 366.9940380206.

The spelling of 49428454 in words is "forty-nine million, four hundred twenty-eight thousand, four hundred fifty-four".