54411551 has 4 divisors (see below), whose sum is σ = 55738704. Its totient is φ = 53084400.

The previous prime is 54411547. The next prime is 54411557. The reversal of 54411551 is 15511445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15511445 = 5 ⋅3102289.

It is a cyclic number.

It is not a de Polignac number, because 54411551 - 2² = 54411547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54411551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54411557) 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, 663515 + ... + 663596.

It is an arithmetic number, because the mean of its divisors is an integer number (13934676).

Almost surely, 2^54411551 is an apocalyptic number.

54411551 is a deficient number, since it is larger than the sum of its proper divisors (1327153).

54411551 is a wasteful number, since it uses less digits than its factorization.

54411551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327152.

The product of its digits is 2000, while the sum is 26.

The square root of 54411551 is about 7376.4185754335. The cubic root of 54411551 is about 378.9341113475.

Adding to 54411551 its reverse (15511445), we get a palindrome (69922996).

The spelling of 54411551 in words is "fifty-four million, four hundred eleven thousand, five hundred fifty-one".