55700771 has 4 divisors (see below), whose sum is σ = 63658032. Its totient is φ = 47743512.

The previous prime is 55700741. The next prime is 55700773. The reversal of 55700771 is 17700755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55700771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55700773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978620 + ... + 3978633.

It is an arithmetic number, because the mean of its divisors is an integer number (15914508).

Almost surely, 2^55700771 is an apocalyptic number.

55700771 is a deficient number, since it is larger than the sum of its proper divisors (7957261).

55700771 is an equidigital number, since it uses as much as digits as its factorization.

55700771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957260.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 55700771 is about 7463.2949157862. The cubic root of 55700771 is about 381.9035853091.

The spelling of 55700771 in words is "fifty-five million, seven hundred thousand, seven hundred seventy-one".