55501671 has 4 divisors (see below), whose sum is σ = 74002232. Its totient is φ = 37001112.

The previous prime is 55501669. The next prime is 55501703. The reversal of 55501671 is 17610555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55501671 - 2¹ = 55501669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250276 + ... + 9250281.

It is an arithmetic number, because the mean of its divisors is an integer number (18500558).

Almost surely, 2^55501671 is an apocalyptic number.

55501671 is a deficient number, since it is larger than the sum of its proper divisors (18500561).

55501671 is a wasteful number, since it uses less digits than its factorization.

55501671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500560.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 55501671 is about 7449.9443622084. The cubic root of 55501671 is about 381.4480094418.

The spelling of 55501671 in words is "fifty-five million, five hundred one thousand, six hundred seventy-one".