51455041 has 16 divisors (see below), whose sum is σ = 57851136. Its totient is φ = 45360000.

The previous prime is 51455029. The next prime is 51455069. The reversal of 51455041 is 14055415.

It is a happy number.

It is a 4-Lehmer number, since φ(51455041) divides (51455041-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 51455041 - 2⁷ = 51454913 is a prime.

It is a deceptive number, since it divides R_51455040.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51454997 and 51455015.

It is not an unprimeable number, because it can be changed into a prime (51455011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122011 + ... + 122431.

It is an arithmetic number, because the mean of its divisors is an integer number (3615696).

Almost surely, 2^51455041 is an apocalyptic number.

It is an amenable number.

51455041 is a deficient number, since it is larger than the sum of its proper divisors (6396095).

51455041 is a wasteful number, since it uses less digits than its factorization.

51455041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 51455041 is about 7173.2169212983. The cubic root of 51455041 is about 371.9426458962.

It can be divided in two parts, 514 and 55041, that added together give a palindrome (55555).

The spelling of 51455041 in words is "fifty-one million, four hundred fifty-five thousand, forty-one".