51110155 has 16 divisors (see below), whose sum is σ = 62705664. Its totient is φ = 39983200.

The previous prime is 51110123. The next prime is 51110167. The reversal of 51110155 is 55101115.

It is a happy number.

It is not a de Polignac number, because 51110155 - 2⁵ = 51110123 is a prime.

It is a super-2 number, since 2×51110155² = 5224495888248050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43830 + ... + 44980.

It is an arithmetic number, because the mean of its divisors is an integer number (3919104).

Almost surely, 2^51110155 is an apocalyptic number.

51110155 is a deficient number, since it is larger than the sum of its proper divisors (11595509).

51110155 is a wasteful number, since it uses less digits than its factorization.

51110155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 51110155 is about 7149.1366611641. The cubic root of 51110155 is about 371.1097797537.

The spelling of 51110155 in words is "fifty-one million, one hundred ten thousand, one hundred fifty-five".