49065920 has 56 divisors (see below), whose sum is σ = 118012464. Its totient is φ = 19429376.

The previous prime is 49065911. The next prime is 49065931. The reversal of 49065920 is 2956094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33524 + ... + 34956.

Almost surely, 2^49065920 is an apocalyptic number.

49065920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49065920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59006232).

49065920 is an abundant number, since it is smaller than the sum of its proper divisors (68946544).

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

49065920 is a wasteful number, since it uses less digits than its factorization.

49065920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 49065920 is about 7004.7069888754. The cubic root of 49065920 is about 366.0945936832.

The spelling of 49065920 in words is "forty-nine million, sixty-five thousand, nine hundred twenty".