49665020 has 24 divisors (see below), whose sum is σ = 106066800. Its totient is φ = 19528832.

The previous prime is 49665017. The next prime is 49665029. The reversal of 49665020 is 2056694.

It is a super-3 number, since 3×49665020³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665029) 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, 19865 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (4419450).

Almost surely, 2^49665020 is an apocalyptic number.

It is an amenable number.

49665020 is an abundant number, since it is smaller than the sum of its proper divisors (56401780).

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

49665020 is a wasteful number, since it uses less digits than its factorization.

49665020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42157 (or 42155 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 49665020 is about 7047.3413426625. The cubic root of 49665020 is about 367.5785877870.

The spelling of 49665020 in words is "forty-nine million, six hundred sixty-five thousand, twenty".