47554990143 has 4 divisors (see below), whose sum is σ = 63406653528. Its totient is φ = 31703326760.

The previous prime is 47554990127. The next prime is 47554990157. The reversal of 47554990143 is 34109945574.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47554990143 - 2⁴ = 47554990127 is a prime.

It is a super-2 number, since 2×47554990143² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47554990193) 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, 7925831688 + ... + 7925831693.

It is an arithmetic number, because the mean of its divisors is an integer number (15851663382).

Almost surely, 2^47554990143 is an apocalyptic number.

47554990143 is a deficient number, since it is larger than the sum of its proper divisors (15851663385).

47554990143 is a wasteful number, since it uses less digits than its factorization.

47554990143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851663384.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 47554990143 in words is "forty-seven billion, five hundred fifty-four million, nine hundred ninety thousand, one hundred forty-three".