51102054 has 24 divisors (see below), whose sum is σ = 110899152. Its totient is φ = 17006640.

The previous prime is 51102049. The next prime is 51102127. The reversal of 51102054 is 45020115.

It is a super-2 number, since 2×51102054² = 5222839846037832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11464 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (4620798).

Almost surely, 2^51102054 is an apocalyptic number.

51102054 is an abundant number, since it is smaller than the sum of its proper divisors (59797098).

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

51102054 is a wasteful number, since it uses less digits than its factorization.

51102054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4569 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51102054 is about 7148.5700668036. The cubic root of 51102054 is about 371.0901716532.

Adding to 51102054 its reverse (45020115), we get a palindrome (96122169).

The spelling of 51102054 in words is "fifty-one million, one hundred two thousand, fifty-four".