48143920 has 40 divisors (see below), whose sum is σ = 122112720. Its totient is φ = 17506560.

The previous prime is 48143903. The next prime is 48143923. The reversal of 48143920 is 2934184.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (48143923) 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, 26475 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (3052818).

Almost surely, 2^48143920 is an apocalyptic number.

48143920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48143920 is an abundant number, since it is smaller than the sum of its proper divisors (73968800).

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

48143920 is a wasteful number, since it uses less digits than its factorization.

48143920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733 (or 54727 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 48143920 is about 6938.5819876975. The cubic root of 48143920 is about 363.7869783658.

The spelling of 48143920 in words is "forty-eight million, one hundred forty-three thousand, nine hundred twenty".