51420890110 has 16 divisors (see below), whose sum is σ = 92632448736. Its totient is φ = 20551723488.

The previous prime is 51420890107. The next prime is 51420890113. The reversal of 51420890110 is 1109802415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51420890107) and next prime (51420890113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51420890113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066082 + ... + 2090821.

It is an arithmetic number, because the mean of its divisors is an integer number (5789528046).

Almost surely, 2^51420890110 is an apocalyptic number.

51420890110 is a deficient number, since it is larger than the sum of its proper divisors (41211558626).

51420890110 is a wasteful number, since it uses less digits than its factorization.

51420890110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158147.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 51420890110 in words is "fifty-one billion, four hundred twenty million, eight hundred ninety thousand, one hundred ten".