49805130 has 32 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 13257152.

The previous prime is 49805113. The next prime is 49805131. The reversal of 49805130 is 3150894.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49805131) 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, 20416 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^49805130 is an apocalyptic number.

49805130 is an abundant number, since it is smaller than the sum of its proper divisors (69945270).

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

49805130 is a wasteful number, since it uses less digits than its factorization.

49805130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 49805130 is about 7057.2749698449. The cubic root of 49805130 is about 367.9239219307.

The spelling of 49805130 in words is "forty-nine million, eight hundred five thousand, one hundred thirty".