51102554 has 8 divisors (see below), whose sum is σ = 77515380. Its totient is φ = 25264096.

The previous prime is 51102551. The next prime is 51102577. The reversal of 51102554 is 45520115.

It is a happy number.

51102554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51051025 + 51529 = 7145^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51102554² = 5222942050645832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143369 + ... + 143724.

Almost surely, 2^51102554 is an apocalyptic number.

51102554 is a deficient number, since it is larger than the sum of its proper divisors (26412826).

51102554 is a wasteful number, since it uses less digits than its factorization.

51102554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287184.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 51102554 is about 7148.6050387471. The cubic root of 51102554 is about 371.0913819403.

Adding to 51102554 its reverse (45520115), we get a palindrome (96622669).

The spelling of 51102554 in words is "fifty-one million, one hundred two thousand, five hundred fifty-four".