55750249971 has 48 divisors (see below), whose sum is σ = 89998132224. Its totient is φ = 34283598624.

The previous prime is 55750249943. The next prime is 55750249987. The reversal of 55750249971 is 17994205755.

It is a happy number.

55750249971 is a `hidden beast` number, since 5 + 5 + 7 + 502 + 49 + 97 + 1 = 666.

It is not a de Polignac number, because 55750249971 - 2¹⁰ = 55750248947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55750248971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5134270 + ... + 5145116.

It is an arithmetic number, because the mean of its divisors is an integer number (1874961088).

Almost surely, 2^55750249971 is an apocalyptic number.

55750249971 is a deficient number, since it is larger than the sum of its proper divisors (34247882253).

55750249971 is a wasteful number, since it uses less digits than its factorization.

55750249971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502 (or 12490 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 55750249971 in words is "fifty-five billion, seven hundred fifty million, two hundred forty-nine thousand, nine hundred seventy-one".