51457055 has 16 divisors (see below), whose sum is σ = 68646144. Its totient is φ = 36771840.

The previous prime is 51457013. The next prime is 51457061. The reversal of 51457055 is 55075415.

It is not a de Polignac number, because 51457055 - 2¹² = 51452959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10754 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (4290384).

Almost surely, 2^51457055 is an apocalyptic number.

51457055 is a deficient number, since it is larger than the sum of its proper divisors (17189089).

51457055 is a wasteful number, since it uses less digits than its factorization.

51457055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25586.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 51457055 is about 7173.3573032437. The cubic root of 51457055 is about 371.9474985644.

The spelling of 51457055 in words is "fifty-one million, four hundred fifty-seven thousand, fifty-five".