46643557 has 2 divisors, whose sum is σ = 46643558. Its totient is φ = 46643556.

The previous prime is 46643539. The next prime is 46643603. The reversal of 46643557 is 75534664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33108516 + 13535041 = 5754^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 46643557 - 2¹⁵ = 46610789 is a prime.

It is a super-2 number, since 2×46643557² = 4351242819224498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46643357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23321778 + 23321779.

It is an arithmetic number, because the mean of its divisors is an integer number (23321779).

Almost surely, 2^46643557 is an apocalyptic number.

It is an amenable number.

46643557 is a deficient number, since it is larger than the sum of its proper divisors (1).

46643557 is an equidigital number, since it uses as much as digits as its factorization.

46643557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The square root of 46643557 is about 6829.6088467789. The cubic root of 46643557 is about 359.9679935537.

The spelling of 46643557 in words is "forty-six million, six hundred forty-three thousand, five hundred fifty-seven".