55949271 has 16 divisors (see below), whose sum is σ = 88963584. Its totient is φ = 30580704.

The previous prime is 55949269. The next prime is 55949273. The reversal of 55949271 is 17294955.

It is an interprime number because it is at equal distance from previous prime (55949269) and next prime (55949273).

It is not a de Polignac number, because 55949271 - 2¹ = 55949269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55949273) 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, 57436 + ... + 58401.

It is an arithmetic number, because the mean of its divisors is an integer number (5560224).

Almost surely, 2^55949271 is an apocalyptic number.

55949271 is a deficient number, since it is larger than the sum of its proper divisors (33014313).

55949271 is a wasteful number, since it uses less digits than its factorization.

55949271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115870.

The product of its digits is 113400, while the sum is 42.

The square root of 55949271 is about 7479.9245317048. The cubic root of 55949271 is about 382.4706765508.

The spelling of 55949271 in words is "fifty-five million, nine hundred forty-nine thousand, two hundred seventy-one".