48971620 has 12 divisors (see below), whose sum is σ = 102840444. Its totient is φ = 19588640.

The previous prime is 48971579. The next prime is 48971621. The reversal of 48971620 is 2617984.

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 28323684 = 4544^2 + 5322^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48971620.

It is not an unprimeable number, because it can be changed into a prime (48971621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224271 + ... + 1224310.

It is an arithmetic number, because the mean of its divisors is an integer number (8570037).

Almost surely, 2^48971620 is an apocalyptic number.

It is an amenable number.

48971620 is an abundant number, since it is smaller than the sum of its proper divisors (53868824).

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

48971620 is a wasteful number, since it uses less digits than its factorization.

48971620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448590 (or 2448588 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 48971620 is about 6997.9725635358. The cubic root of 48971620 is about 365.8599103546.

The spelling of 48971620 in words is "forty-eight million, nine hundred seventy-one thousand, six hundred twenty".