48942569 has 8 divisors (see below), whose sum is σ = 53021640. Its totient is φ = 45175728.

The previous prime is 48942563. The next prime is 48942571. The reversal of 48942569 is 96524984.

It can be written as a sum of positive squares in 4 ways, for example, as 7507600 + 41434969 = 2740^2 + 6437^2 .

It is not a de Polignac number, because 48942569 - 2¹² = 48938473 is a prime.

It is a super-2 number, since 2×48942569² = 4790750120639522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48942563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8942 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (6627705).

Almost surely, 2^48942569 is an apocalyptic number.

It is an amenable number.

48942569 is a deficient number, since it is larger than the sum of its proper divisors (4079071).

48942569 is an equidigital number, since it uses as much as digits as its factorization.

48942569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22316 (or 22290 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 48942569 is about 6995.8965829978. The cubic root of 48942569 is about 365.7875507672.

The spelling of 48942569 in words is "forty-eight million, nine hundred forty-two thousand, five hundred sixty-nine".