51102010 has 16 divisors (see below), whose sum is σ = 92073096. Its totient is φ = 20420928.

The previous prime is 51101989. The next prime is 51102049. The reversal of 51102010 is 1020115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50083929 + 1018081 = 7077^2 + 1009^2 .

It is a super-2 number, since 2×51102010² = 5222830852080200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12772 + ... + 16288.

Almost surely, 2^51102010 is an apocalyptic number.

51102010 is a deficient number, since it is larger than the sum of its proper divisors (40971086).

51102010 is a wasteful number, since it uses less digits than its factorization.

51102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 51102010 is about 7148.5669892644. The cubic root of 51102010 is about 371.0900651475.

Adding to 51102010 its reverse (1020115), we get a palindrome (52122125).

The spelling of 51102010 in words is "fifty-one million, one hundred two thousand, ten".