48615977 has 4 divisors (see below), whose sum is σ = 50292420. Its totient is φ = 46939536.

The previous prime is 48615953. The next prime is 48615979. The reversal of 48615977 is 77951684.

48615977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 37994896 = 3259^2 + 6164^2 .

It is a cyclic number.

It is not a de Polignac number, because 48615977 - 2⁶ = 48615913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48615979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838178 + ... + 838235.

It is an arithmetic number, because the mean of its divisors is an integer number (12573105).

Almost surely, 2^48615977 is an apocalyptic number.

It is an amenable number.

48615977 is a deficient number, since it is larger than the sum of its proper divisors (1676443).

48615977 is a wasteful number, since it uses less digits than its factorization.

48615977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676442.

The product of its digits is 423360, while the sum is 47.

The square root of 48615977 is about 6972.5158300286. The cubic root of 48615977 is about 364.9721052054.

The spelling of 48615977 in words is "forty-eight million, six hundred fifteen thousand, nine hundred seventy-seven".