51010190 has 64 divisors (see below), whose sum is σ = 118222848. Its totient is φ = 15379200.

The previous prime is 51010177. The next prime is 51010237. The reversal of 51010190 is 9101015.

It is a happy number.

It is a super-2 number, since 2×51010190² = 5204078967672200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22802 + ... + 24938.

It is an arithmetic number, because the mean of its divisors is an integer number (1847232).

Almost surely, 2^51010190 is an apocalyptic number.

51010190 is an abundant number, since it is smaller than the sum of its proper divisors (67212658).

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

51010190 is a wasteful number, since it uses less digits than its factorization.

51010190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 51010190 is about 7142.1418356121. The cubic root of 51010190 is about 370.8676739089.

The spelling of 51010190 in words is "fifty-one million, ten thousand, one hundred ninety".