48851920 has 80 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 17828352.

The previous prime is 48851917. The next prime is 48851923. The reversal of 48851920 is 2915884.

It is an interprime number because it is at equal distance from previous prime (48851917) and next prime (48851923).

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 48851920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48851923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111061 + ... + 111499.

It is an arithmetic number, because the mean of its divisors is an integer number (1546776).

Almost surely, 2^48851920 is an apocalyptic number.

48851920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

48851920 is the 5707-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48851920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61871040).

48851920 is an abundant number, since it is smaller than the sum of its proper divisors (74890160).

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

48851920 is a wasteful number, since it uses less digits than its factorization.

48851920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 48851920 is about 6989.4148539059. The cubic root of 48851920 is about 365.5615800098.

The spelling of 48851920 in words is "forty-eight million, eight hundred fifty-one thousand, nine hundred twenty".