48991320 has 96 divisors (see below), whose sum is σ = 181977120. Its totient is φ = 11197440.

The previous prime is 48991307. The next prime is 48991333. The reversal of 48991320 is 2319984.

48991320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48991307) and next prime (48991333).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7201 + ... + 12240.

It is an arithmetic number, because the mean of its divisors is an integer number (1895595).

Almost surely, 2^48991320 is an apocalyptic number.

48991320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48991320 is an abundant number, since it is smaller than the sum of its proper divisors (132985800).

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

48991320 is a wasteful number, since it uses less digits than its factorization.

48991320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465 (or 19458 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 48991320 is about 6999.3799725404. The cubic root of 48991320 is about 365.9089623974.

It can be divided in two parts, 489 and 91320, that added together give a square (91809 = 303²).

The spelling of 48991320 in words is "forty-eight million, nine hundred ninety-one thousand, three hundred twenty".