15455871 has 12 divisors (see below), whose sum is σ = 22543248. Its totient is φ = 10203264.

The previous prime is 15455851. The next prime is 15455953. The reversal of 15455871 is 17855451.

It is not a de Polignac number, because 15455871 - 2¹⁵ = 15423103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7410 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (1878604).

Almost surely, 2^15455871 is an apocalyptic number.

15455871 is a deficient number, since it is larger than the sum of its proper divisors (7087377).

15455871 is a wasteful number, since it uses less digits than its factorization.

15455871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16782 (or 16779 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 15455871 is about 3931.3955537442. The cubic root of 15455871 is about 249.0947043831.

The spelling of 15455871 in words is "fifteen million, four hundred fifty-five thousand, eight hundred seventy-one".