55677511 has 4 divisors (see below), whose sum is σ = 55711800. Its totient is φ = 55643224.

The previous prime is 55677509. The next prime is 55677521. The reversal of 55677511 is 11577655.

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 55677511 - 2¹ = 55677509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55677521) 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, 14581 + ... + 17998.

It is an arithmetic number, because the mean of its divisors is an integer number (13927950).

Almost surely, 2^55677511 is an apocalyptic number.

55677511 is a deficient number, since it is larger than the sum of its proper divisors (34289).

55677511 is a wasteful number, since it uses less digits than its factorization.

55677511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34288.

The product of its digits is 36750, while the sum is 37.

The square root of 55677511 is about 7461.7364601010. The cubic root of 55677511 is about 381.8504183959.

The spelling of 55677511 in words is "fifty-five million, six hundred seventy-seven thousand, five hundred eleven".