54409551 has 12 divisors (see below), whose sum is σ = 84390552. Its totient is φ = 31091088.

The previous prime is 54409541. The next prime is 54409567. The reversal of 54409551 is 15590445.

It is not a de Polignac number, because 54409551 - 2¹⁰ = 54408527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54409541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184920 + ... + 185213.

It is an arithmetic number, because the mean of its divisors is an integer number (7032546).

Almost surely, 2^54409551 is an apocalyptic number.

54409551 is a deficient number, since it is larger than the sum of its proper divisors (29981001).

54409551 is a wasteful number, since it uses less digits than its factorization.

54409551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370150 (or 370143 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 54409551 is about 7376.2830070436. The cubic root of 54409551 is about 378.9294684761.

Adding to 54409551 its reverse (15590445), we get a palindrome (69999996).

The spelling of 54409551 in words is "fifty-four million, four hundred nine thousand, five hundred fifty-one".