54402551 has 8 divisors (see below), whose sum is σ = 64180224. Its totient is φ = 45126360.

The previous prime is 54402511. The next prime is 54402571. The reversal of 54402551 is 15520445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54402551 - 2¹⁸ = 54140407 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 54402551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54402511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125135 + ... + 125568.

It is an arithmetic number, because the mean of its divisors is an integer number (8022528).

Almost surely, 2^54402551 is an apocalyptic number.

54402551 is a deficient number, since it is larger than the sum of its proper divisors (9777673).

54402551 is a wasteful number, since it uses less digits than its factorization.

54402551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250741.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54402551 is about 7375.8084980563. The cubic root of 54402551 is about 378.9132175300.

Adding to 54402551 its reverse (15520445), we get a palindrome (69922996).

The spelling of 54402551 in words is "fifty-four million, four hundred two thousand, five hundred fifty-one".