55707011 has 4 divisors (see below), whose sum is σ = 58983912. Its totient is φ = 52430112.

The previous prime is 55707007. The next prime is 55707017. The reversal of 55707011 is 11070755.

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

It is a cyclic number.

It is not a de Polignac number, because 55707011 - 2² = 55707007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55707017) 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, 1638425 + ... + 1638458.

It is an arithmetic number, because the mean of its divisors is an integer number (14745978).

Almost surely, 2^55707011 is an apocalyptic number.

55707011 is a deficient number, since it is larger than the sum of its proper divisors (3276901).

55707011 is a wasteful number, since it uses less digits than its factorization.

55707011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276900.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 55707011 is about 7463.7129500002. The cubic root of 55707011 is about 381.9178459698.

Adding to 55707011 its reverse (11070755), we get a palindrome (66777766).

The spelling of 55707011 in words is "fifty-five million, seven hundred seven thousand, eleven".