48615979 has 2 divisors, whose sum is σ = 48615980. Its totient is φ = 48615978.

The previous prime is 48615953. The next prime is 48615989. The reversal of 48615979 is 97951684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48615979 - 2⁵ = 48615947 is a prime.

It is not a weakly prime, because it can be changed into another prime (48615989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24307989 + 24307990.

It is an arithmetic number, because the mean of its divisors is an integer number (24307990).

Almost surely, 2^48615979 is an apocalyptic number.

48615979 is a deficient number, since it is larger than the sum of its proper divisors (1).

48615979 is an equidigital number, since it uses as much as digits as its factorization.

48615979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 48615979 is about 6972.5159734489. The cubic root of 48615979 is about 364.9721102103.

It can be divided in two parts, 48615 and 979, that added together give a palindrome (49594).

The spelling of 48615979 in words is "forty-eight million, six hundred fifteen thousand, nine hundred seventy-nine".