55670571 has 48 divisors (see below), whose sum is σ = 92776320. Its totient is φ = 33073920.

The previous prime is 55670567. The next prime is 55670581. The reversal of 55670571 is 17507655.

It is not a de Polignac number, because 55670571 - 2² = 55670567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157531 + ... + 157883.

It is an arithmetic number, because the mean of its divisors is an integer number (1932840).

Almost surely, 2^55670571 is an apocalyptic number.

55670571 is a deficient number, since it is larger than the sum of its proper divisors (37105749).

55670571 is a wasteful number, since it uses less digits than its factorization.

55670571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55670571 is about 7461.2714064025. The cubic root of 55670571 is about 381.8345523129.

The spelling of 55670571 in words is "fifty-five million, six hundred seventy thousand, five hundred seventy-one".