49878548 has 6 divisors (see below), whose sum is σ = 87287466. Its totient is φ = 24939272.

The previous prime is 49878533. The next prime is 49878557. The reversal of 49878548 is 84587894.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 10163344 = 6302^2 + 3188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49878548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234815 + ... + 6234822.

It is an arithmetic number, because the mean of its divisors is an integer number (14547911).

Almost surely, 2^49878548 is an apocalyptic number.

It is an amenable number.

49878548 is a deficient number, since it is larger than the sum of its proper divisors (37408918).

49878548 is a wasteful number, since it uses less digits than its factorization.

49878548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469641 (or 12469639 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 49878548 is about 7062.4746371226. The cubic root of 49878548 is about 368.1046193568.

The spelling of 49878548 in words is "forty-nine million, eight hundred seventy-eight thousand, five hundred forty-eight".