51554441 has 8 divisors (see below), whose sum is σ = 52752384. Its totient is φ = 50360800.

The previous prime is 51554417. The next prime is 51554443. The reversal of 51554441 is 14445515.

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 51554441 - 2¹⁰ = 51553417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51554443) 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, 44216 + ... + 45366.

It is an arithmetic number, because the mean of its divisors is an integer number (6594048).

Almost surely, 2^51554441 is an apocalyptic number.

It is an amenable number.

51554441 is a deficient number, since it is larger than the sum of its proper divisors (1197943).

51554441 is a wasteful number, since it uses less digits than its factorization.

51554441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its digits is 8000, while the sum is 29.

The square root of 51554441 is about 7180.1421295125. The cubic root of 51554441 is about 372.1819960621.

Adding to 51554441 its reverse (14445515), we get a palindrome (65999956).

The spelling of 51554441 in words is "fifty-one million, five hundred fifty-four thousand, four hundred forty-one".