49454390 has 32 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 19243008.

The previous prime is 49454389. The next prime is 49454407. The reversal of 49454390 is 9345494.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63926 + ... + 64694.

It is an arithmetic number, because the mean of its divisors is an integer number (2858625).

Almost surely, 2^49454390 is an apocalyptic number.

49454390 is a deficient number, since it is larger than the sum of its proper divisors (42021610).

49454390 is a wasteful number, since it uses less digits than its factorization.

49454390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 49454390 is about 7032.3815311742. The cubic root of 49454390 is about 367.0582162571.

The spelling of 49454390 in words is "forty-nine million, four hundred fifty-four thousand, three hundred ninety".