49501220 has 12 divisors (see below), whose sum is σ = 103952604. Its totient is φ = 19800480.

The previous prime is 49501217. The next prime is 49501223. The reversal of 49501220 is 2210594.

It is an interprime number because it is at equal distance from previous prime (49501217) and next prime (49501223).

It can be written as a sum of positive squares in 2 ways, for example, as 26152996 + 23348224 = 5114^2 + 4832^2 .

It is not an unprimeable number, because it can be changed into a prime (49501223) 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, 1237511 + ... + 1237550.

It is an arithmetic number, because the mean of its divisors is an integer number (8662717).

Almost surely, 2^49501220 is an apocalyptic number.

It is an amenable number.

49501220 is an abundant number, since it is smaller than the sum of its proper divisors (54451384).

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

49501220 is a wasteful number, since it uses less digits than its factorization.

49501220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475070 (or 2475068 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 49501220 is about 7035.7103408256. The cubic root of 49501220 is about 367.1740395669.

The spelling of 49501220 in words is "forty-nine million, five hundred one thousand, two hundred twenty".