49517420 has 48 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 18659520.

The previous prime is 49517407. The next prime is 49517443. The reversal of 49517420 is 2471594.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117971 + ... + 118389.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^49517420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49517420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

49517420 is an abundant number, since it is smaller than the sum of its proper divisors (60556180).

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

49517420 is a wasteful number, since it uses less digits than its factorization.

49517420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 49517420 is about 7036.8615163296. The cubic root of 49517420 is about 367.2140895608.

The spelling of 49517420 in words is "forty-nine million, five hundred seventeen thousand, four hundred twenty".