55671501 has 16 divisors (see below), whose sum is σ = 78948800. Its totient is φ = 34795008.

The previous prime is 55671493. The next prime is 55671521. The reversal of 55671501 is 10517655.

It is not a de Polignac number, because 55671501 - 2³ = 55671493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55671521) 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, 495 + ... + 10563.

It is an arithmetic number, because the mean of its divisors is an integer number (4934300).

Almost surely, 2^55671501 is an apocalyptic number.

It is an amenable number.

55671501 is a deficient number, since it is larger than the sum of its proper divisors (23277299).

55671501 is a wasteful number, since it uses less digits than its factorization.

55671501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188.

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

The square root of 55671501 is about 7461.3337279604. Note that the first 3 decimals coincide. The cubic root of 55671501 is about 381.8366785360.

The spelling of 55671501 in words is "fifty-five million, six hundred seventy-one thousand, five hundred one".