51600054 has 16 divisors (see below), whose sum is σ = 112582080. Its totient is φ = 15636360.

The previous prime is 51600053. The next prime is 51600061. The reversal of 51600054 is 45000615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51600054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600053) 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, 390844 + ... + 390975.

It is an arithmetic number, because the mean of its divisors is an integer number (7036380).

Almost surely, 2^51600054 is an apocalyptic number.

51600054 is an abundant number, since it is smaller than the sum of its proper divisors (60982026).

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

51600054 is a wasteful number, since it uses less digits than its factorization.

51600054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781835.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51600054 is about 7183.3177571370. The cubic root of 51600054 is about 372.2917268819.

Adding to 51600054 its reverse (45000615), we get a palindrome (96600669).

The spelling of 51600054 in words is "fifty-one million, six hundred thousand, fifty-four".