55701247 has 16 divisors (see below), whose sum is σ = 65507904. Its totient is φ = 46368000.

The previous prime is 55701229. The next prime is 55701253. The reversal of 55701247 is 74210755.

It is not a de Polignac number, because 55701247 - 2¹⁵ = 55668479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55701227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120597 + ... + 121057.

It is an arithmetic number, because the mean of its divisors is an integer number (4094244).

Almost surely, 2^55701247 is an apocalyptic number.

55701247 is a deficient number, since it is larger than the sum of its proper divisors (9806657).

55701247 is a wasteful number, since it uses less digits than its factorization.

55701247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 55701247 is about 7463.3268051185. The cubic root of 55701247 is about 381.9046731790.

The spelling of 55701247 in words is "fifty-five million, seven hundred one thousand, two hundred forty-seven".