47554089761 has 2 divisors, whose sum is σ = 47554089762. Its totient is φ = 47554089760.

The previous prime is 47554089733. The next prime is 47554089773. The reversal of 47554089761 is 16798045574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43639210000 + 3914879761 = 208900^2 + 62569^2 .

It is a cyclic number.

It is not a de Polignac number, because 47554089761 - 2¹⁸ = 47553827617 is a prime.

It is a super-2 number, since 2×47554089761² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47554089697 and 47554089706.

It is not a weakly prime, because it can be changed into another prime (47554089361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23777044880 + 23777044881.

It is an arithmetic number, because the mean of its divisors is an integer number (23777044881).

Almost surely, 2^47554089761 is an apocalyptic number.

It is an amenable number.

47554089761 is a deficient number, since it is larger than the sum of its proper divisors (1).

47554089761 is an equidigital number, since it uses as much as digits as its factorization.

47554089761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 47554089761 in words is "forty-seven billion, five hundred fifty-four million, eighty-nine thousand, seven hundred sixty-one".