55671574 has 16 divisors (see below), whose sum is σ = 97056000. Its totient is φ = 23454504.

The previous prime is 55671533. The next prime is 55671599. The reversal of 55671574 is 47517655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32874 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (6066000).

Almost surely, 2^55671574 is an apocalyptic number.

55671574 is a deficient number, since it is larger than the sum of its proper divisors (41384426).

55671574 is a wasteful number, since it uses less digits than its factorization.

55671574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67467.

The product of its digits is 147000, while the sum is 40.

The square root of 55671574 is about 7461.3386198456. The cubic root of 55671574 is about 381.8368454321.

The spelling of 55671574 in words is "fifty-five million, six hundred seventy-one thousand, five hundred seventy-four".