47319553 has 4 divisors (see below), whose sum is σ = 48326400. Its totient is φ = 46312708.

The previous prime is 47319523. The next prime is 47319563. The reversal of 47319553 is 35591374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47319553 - 2¹³ = 47311361 is a prime.

It is a super-2 number, since 2×47319553² = 4478280192239618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47319523) 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, 503353 + ... + 503446.

It is an arithmetic number, because the mean of its divisors is an integer number (12081600).

Almost surely, 2^47319553 is an apocalyptic number.

It is an amenable number.

47319553 is a deficient number, since it is larger than the sum of its proper divisors (1006847).

47319553 is a wasteful number, since it uses less digits than its factorization.

47319553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006846.

The product of its digits is 56700, while the sum is 37.

The square root of 47319553 is about 6878.9209182836. The cubic root of 47319553 is about 361.6986416783.

It can be divided in two parts, 47 and 319553, that added together give a triangular number (319600 = T₇₉₉).

The spelling of 47319553 in words is "forty-seven million, three hundred nineteen thousand, five hundred fifty-three".