48921312 has 48 divisors (see below), whose sum is σ = 140095872. Its totient is φ = 14824320.

The previous prime is 48921311. The next prime is 48921337. The reversal of 48921312 is 21312984.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 48921312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48921311) 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, 22108 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (2918664).

Almost surely, 2^48921312 is an apocalyptic number.

It is an amenable number.

48921312 is an abundant number, since it is smaller than the sum of its proper divisors (91174560).

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

48921312 is a wasteful number, since it uses less digits than its factorization.

48921312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351 (or 46343 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 48921312 is about 6994.3771702704. The cubic root of 48921312 is about 365.7345861592.

The spelling of 48921312 in words is "forty-eight million, nine hundred twenty-one thousand, three hundred twelve".