47551356 has 18 divisors (see below), whose sum is σ = 120199352. Its totient is φ = 15850440.

The previous prime is 47551351. The next prime is 47551367. The reversal of 47551356 is 65315574.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×47551356² = 4522262914877472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1320871 = 47551356 / (4 + 7 + 5 + 5 + 1 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 47551356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47551351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 660400 + ... + 660471.

Almost surely, 2^47551356 is an apocalyptic number.

It is an amenable number.

47551356 is an abundant number, since it is smaller than the sum of its proper divisors (72647996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47551356 is a wasteful number, since it uses less digits than its factorization.

47551356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320881 (or 1320876 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 47551356 is about 6895.7491253670. The cubic root of 47551356 is about 362.2882942998.

The spelling of 47551356 in words is "forty-seven million, five hundred fifty-one thousand, three hundred fifty-six".