48531890 has 48 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 16711200.

The previous prime is 48531887. The next prime is 48531937. The reversal of 48531890 is 9813584.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 23 ways as a sum of consecutive naturals, for example, 21935 + ... + 24045.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^48531890 is an apocalyptic number.

48531890 is an abundant number, since it is smaller than the sum of its proper divisors (52590670).

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

48531890 is a wasteful number, since it uses less digits than its factorization.

48531890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 48531890 is about 6966.4833309210. The cubic root of 48531890 is about 364.7615631713.

The spelling of 48531890 in words is "forty-eight million, five hundred thirty-one thousand, eight hundred ninety".