49545890 has 16 divisors (see below), whose sum is σ = 91257408. Its totient is φ = 19357296.

The previous prime is 49545889. The next prime is 49545907. The reversal of 49545890 is 9854594.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57182 + ... + 58041.

It is an arithmetic number, because the mean of its divisors is an integer number (5703588).

Almost surely, 2^49545890 is an apocalyptic number.

49545890 is a deficient number, since it is larger than the sum of its proper divisors (41711518).

49545890 is a wasteful number, since it uses less digits than its factorization.

49545890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115273.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 49545890 is about 7038.8841445218. The cubic root of 49545890 is about 367.2844525573.

The spelling of 49545890 in words is "forty-nine million, five hundred forty-five thousand, eight hundred ninety".