48402569 has 4 divisors (see below), whose sum is σ = 48423444. Its totient is φ = 48381696.

The previous prime is 48402559. The next prime is 48402581. The reversal of 48402569 is 96520484.

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 20976400 + 27426169 = 4580^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 48402569 - 2⁸ = 48402313 is a prime.

It is a super-2 number, since 2×48402569² = 4685617371599522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48402539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452 + ... + 11765.

It is an arithmetic number, because the mean of its divisors is an integer number (12105861).

Almost surely, 2^48402569 is an apocalyptic number.

It is an amenable number.

48402569 is a deficient number, since it is larger than the sum of its proper divisors (20875).

48402569 is a wasteful number, since it uses less digits than its factorization.

48402569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20874.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 48402569 is about 6957.1954838139. The cubic root of 48402569 is about 364.4372864207.

The spelling of 48402569 in words is "forty-eight million, four hundred two thousand, five hundred sixty-nine".