51045119 has 4 divisors (see below), whose sum is σ = 53264496. Its totient is φ = 48825744.

The previous prime is 51045107. The next prime is 51045131. The reversal of 51045119 is 91154015.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51045107) and next prime (51045131).

It is a cyclic number.

It is not a de Polignac number, because 51045119 - 2⁴ = 51045103 is a prime.

It is a super-2 number, since 2×51045119² = 5211208347448322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109654 + ... + 1109699.

It is an arithmetic number, because the mean of its divisors is an integer number (13316124).

Almost surely, 2^51045119 is an apocalyptic number.

51045119 is a deficient number, since it is larger than the sum of its proper divisors (2219377).

51045119 is a wasteful number, since it uses less digits than its factorization.

51045119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219376.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 51045119 is about 7144.5866920347. The cubic root of 51045119 is about 370.9523045900.

It can be divided in two parts, 51045 and 119, that multiplied together give a triangular number (6074355 = T₃₄₈₅).

The spelling of 51045119 in words is "fifty-one million, forty-five thousand, one hundred nineteen".