49513145 has 16 divisors (see below), whose sum is σ = 68230080. Its totient is φ = 34113600.

The previous prime is 49513111. The next prime is 49513187. The reversal of 49513145 is 54131594.

It is not a de Polignac number, because 49513145 - 2¹⁰ = 49512121 is a prime.

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, 22646 + ... + 24735.

It is an arithmetic number, because the mean of its divisors is an integer number (4264380).

Almost surely, 2^49513145 is an apocalyptic number.

It is an amenable number.

49513145 is a deficient number, since it is larger than the sum of its proper divisors (18716935).

49513145 is a wasteful number, since it uses less digits than its factorization.

49513145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47416.

The product of its digits is 10800, while the sum is 32.

The square root of 49513145 is about 7036.5577521967. The cubic root of 49513145 is about 367.2035216610.

The spelling of 49513145 in words is "forty-nine million, five hundred thirteen thousand, one hundred forty-five".