48691545 has 48 divisors (see below), whose sum is σ = 93593088. Its totient is φ = 21530880.

The previous prime is 48691543. The next prime is 48691549. The reversal of 48691545 is 54519684.

It is not a de Polignac number, because 48691545 - 2¹ = 48691543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48691497 and 48691506.

It is not an unprimeable number, because it can be changed into a prime (48691541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21717 + ... + 23853.

It is an arithmetic number, because the mean of its divisors is an integer number (1949856).

Almost surely, 2^48691545 is an apocalyptic number.

It is an amenable number.

48691545 is a deficient number, since it is larger than the sum of its proper divisors (44901543).

48691545 is a wasteful number, since it uses less digits than its factorization.

48691545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2183 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 48691545 is about 6977.9327167865. The cubic root of 48691545 is about 365.1611098357.

The spelling of 48691545 in words is "forty-eight million, six hundred ninety-one thousand, five hundred forty-five".