51457106 has 4 divisors (see below), whose sum is σ = 77185662. Its totient is φ = 25728552.

The previous prime is 51457097. The next prime is 51457123. The reversal of 51457106 is 60175415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 8357881 = 6565^2 + 2891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12864275 + ... + 12864278.

Almost surely, 2^51457106 is an apocalyptic number.

51457106 is a deficient number, since it is larger than the sum of its proper divisors (25728556).

51457106 is a wasteful number, since it uses less digits than its factorization.

51457106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25728555.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51457106 is about 7173.3608580637. The cubic root of 51457106 is about 371.9476214456.

The spelling of 51457106 in words is "fifty-one million, four hundred fifty-seven thousand, one hundred six".