54655511 has 4 divisors (see below), whose sum is σ = 56418624. Its totient is φ = 52892400.

The previous prime is 54655481. The next prime is 54655519. The reversal of 54655511 is 11555645.

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 54655511 - 2¹⁰ = 54654487 is a prime.

It is a super-2 number, since 2×54655511² = 5974449765342242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54655519) 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, 881510 + ... + 881571.

It is an arithmetic number, because the mean of its divisors is an integer number (14104656).

Almost surely, 2^54655511 is an apocalyptic number.

54655511 is a deficient number, since it is larger than the sum of its proper divisors (1763113).

54655511 is a wasteful number, since it uses less digits than its factorization.

54655511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763112.

The product of its digits is 15000, while the sum is 32.

The square root of 54655511 is about 7392.9365613402. The cubic root of 54655511 is about 379.4995975677.

The spelling of 54655511 in words is "fifty-four million, six hundred fifty-five thousand, five hundred eleven".