48243557 has 2 divisors, whose sum is σ = 48243558. Its totient is φ = 48243556.

The previous prime is 48243553. The next prime is 48243563. The reversal of 48243557 is 75534284.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47761921 + 481636 = 6911^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 48243557 - 2² = 48243553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48243557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48243553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24121778 + 24121779.

It is an arithmetic number, because the mean of its divisors is an integer number (24121779).

Almost surely, 2^48243557 is an apocalyptic number.

It is an amenable number.

48243557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48243557 is an equidigital number, since it uses as much as digits as its factorization.

48243557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 48243557 is about 6945.7582019532. The cubic root of 48243557 is about 364.0377657753.

The spelling of 48243557 in words is "forty-eight million, two hundred forty-three thousand, five hundred fifty-seven".