71556052 has 24 divisors (see below), whose sum is σ = 132104000. Its totient is φ = 33820416.

The previous prime is 71556041. The next prime is 71556053. The reversal of 71556052 is 25065517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71556053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50449 + ... + 51847.

Almost surely, 2^71556052 is an apocalyptic number.

It is an amenable number.

71556052 is a deficient number, since it is larger than the sum of its proper divisors (60547948).

71556052 is a wasteful number, since it uses less digits than its factorization.

71556052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 71556052 is about 8459.0810375596. The cubic root of 71556052 is about 415.1599557585.

The spelling of 71556052 in words is "seventy-one million, five hundred fifty-six thousand, fifty-two".