48669561 has 12 divisors (see below), whose sum is σ = 71091540. Its totient is φ = 32081280.

The previous prime is 48669559. The next prime is 48669601. The reversal of 48669561 is 16596684.

48669561 is a `hidden beast` number, since 4 + 86 + 6 + 9 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28419561 + 20250000 = 5331^2 + 4500^2 .

It is not a de Polignac number, because 48669561 - 2¹ = 48669559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48662561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29580 + ... + 31181.

It is an arithmetic number, because the mean of its divisors is an integer number (5924295).

Almost surely, 2^48669561 is an apocalyptic number.

It is an amenable number.

48669561 is a deficient number, since it is larger than the sum of its proper divisors (22421979).

48669561 is a wasteful number, since it uses less digits than its factorization.

48669561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60856 (or 60853 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 48669561 is about 6976.3572872954. The cubic root of 48669561 is about 365.1061453972.

The spelling of 48669561 in words is "forty-eight million, six hundred sixty-nine thousand, five hundred sixty-one".