49453990 has 32 divisors (see below), whose sum is σ = 95074560. Its totient is φ = 18480000.

The previous prime is 49453951. The next prime is 49453991. The reversal of 49453990 is 9935494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49453991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6240 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (2971080).

Almost surely, 2^49453990 is an apocalyptic number.

49453990 is a deficient number, since it is larger than the sum of its proper divisors (45620570).

49453990 is a wasteful number, since it uses less digits than its factorization.

49453990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 49453990 is about 7032.3530912490. The cubic root of 49453990 is about 367.0572266336.

The spelling of 49453990 in words is "forty-nine million, four hundred fifty-three thousand, nine hundred ninety".