49605780 has 96 divisors (see below), whose sum is σ = 160763904. Its totient is φ = 11193984.

The previous prime is 49605767. The next prime is 49605793. The reversal of 49605780 is 8750694.

49605780 is a nontrivial binomial coefficient, being equal to C(9961, 2).

It is an interprime number because it is at equal distance from previous prime (49605767) and next prime (49605793).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34149 + ... + 35571.

It is an arithmetic number, because the mean of its divisors is an integer number (1674624).

Almost surely, 2^49605780 is an apocalyptic number.

49605780 is the 9960-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49605780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80381952).

49605780 is an abundant number, since it is smaller than the sum of its proper divisors (111158124).

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

49605780 is a wasteful number, since it uses less digits than its factorization.

49605780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 49605780 is about 7043.1370851347. The cubic root of 49605780 is about 367.4323814692.

The spelling of 49605780 in words is "forty-nine million, six hundred five thousand, seven hundred eighty".