51807054 has 16 divisors (see below), whose sum is σ = 111584592. Its totient is φ = 15940608.

The previous prime is 51807037. The next prime is 51807059. The reversal of 51807054 is 45070815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51807059) 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, 332019 + ... + 332174.

It is an arithmetic number, because the mean of its divisors is an integer number (6974037).

Almost surely, 2^51807054 is an apocalyptic number.

51807054 is an abundant number, since it is smaller than the sum of its proper divisors (59777538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51807054 is a wasteful number, since it uses less digits than its factorization.

51807054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664211.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 51807054 is about 7197.7117197065. The cubic root of 51807054 is about 372.7888940968.

Adding to 51807054 its reverse (45070815), we get a palindrome (96877869).

The spelling of 51807054 in words is "fifty-one million, eight hundred seven thousand, fifty-four".