49811020 has 48 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 16072704.

The previous prime is 49810997. The next prime is 49811029. The reversal of 49811020 is 2011894.

It is a happy number.

It is a super-2 number, since 2×49811020² = 4962275426880800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49811029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8085 + ... + 12844.

It is an arithmetic number, because the mean of its divisors is an integer number (2637180).

Almost surely, 2^49811020 is an apocalyptic number.

It is an amenable number.

49811020 is an abundant number, since it is smaller than the sum of its proper divisors (76773620).

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

49811020 is a wasteful number, since it uses less digits than its factorization.

49811020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962 (or 20960 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 49811020 is about 7057.6922573884. The cubic root of 49811020 is about 367.9384250316.

The spelling of 49811020 in words is "forty-nine million, eight hundred eleven thousand, twenty".