51054477 has 4 divisors (see below), whose sum is σ = 68072640. Its totient is φ = 34036316.

The previous prime is 51054449. The next prime is 51054481. The reversal of 51054477 is 77445015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51054477 - 2⁸ = 51054221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51054277) 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, 8509077 + ... + 8509082.

It is an arithmetic number, because the mean of its divisors is an integer number (17018160).

Almost surely, 2^51054477 is an apocalyptic number.

It is an amenable number.

51054477 is a deficient number, since it is larger than the sum of its proper divisors (17018163).

51054477 is a wasteful number, since it uses less digits than its factorization.

51054477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018162.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 51054477 is about 7145.2415634463. The cubic root of 51054477 is about 370.9749718539.

The spelling of 51054477 in words is "fifty-one million, fifty-four thousand, four hundred seventy-seven".