56133471 has 16 divisors (see below), whose sum is σ = 76408064. Its totient is φ = 36647424.

The previous prime is 56133461. The next prime is 56133491. The reversal of 56133471 is 17433165.

It is a de Polignac number, because none of the positive numbers 2^k-56133471 is a prime.

It is a super-3 number, since 3×56133471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56133431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38070 + ... + 39516.

It is an arithmetic number, because the mean of its divisors is an integer number (4775504).

Almost surely, 2^56133471 is an apocalyptic number.

56133471 is a deficient number, since it is larger than the sum of its proper divisors (20274593).

56133471 is a wasteful number, since it uses less digits than its factorization.

56133471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its digits is 7560, while the sum is 30.

The square root of 56133471 is about 7492.2273724174. The cubic root of 56133471 is about 382.8899487703.

The spelling of 56133471 in words is "fifty-six million, one hundred thirty-three thousand, four hundred seventy-one".