48691820 has 24 divisors (see below), whose sum is σ = 102652704. Its totient is φ = 19400576.

The previous prime is 48691817. The next prime is 48691829. The reversal of 48691820 is 2819684.

It is not an unprimeable number, because it can be changed into a prime (48691829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 9888.

It is an arithmetic number, because the mean of its divisors is an integer number (4277196).

Almost surely, 2^48691820 is an apocalyptic number.

It is an amenable number.

48691820 is an abundant number, since it is smaller than the sum of its proper divisors (53960884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48691820 is a wasteful number, since it uses less digits than its factorization.

48691820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9529 (or 9527 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 48691820 is about 6977.9524217352. The cubic root of 48691820 is about 365.1617972864.

The spelling of 48691820 in words is "forty-eight million, six hundred ninety-one thousand, eight hundred twenty".