49500020 has 24 divisors (see below), whose sum is σ = 105121800. Its totient is φ = 19576832.

The previous prime is 49499987. The next prime is 49500023. The reversal of 49500020 is 2000594.

It can be written as a sum of positive squares in 4 ways, for example, as 3341584 + 46158436 = 1828^2 + 6794^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 49499965 and 49500001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49500023) 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, 12125 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (4380075).

Almost surely, 2^49500020 is an apocalyptic number.

It is an amenable number.

49500020 is an abundant number, since it is smaller than the sum of its proper divisors (55621780).

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

49500020 is a wasteful number, since it uses less digits than its factorization.

49500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27907 (or 27905 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 49500020 is about 7035.6250610731. The cubic root of 49500020 is about 367.1710725531.

The spelling of 49500020 in words is "forty-nine million, five hundred thousand, twenty".