51518094 has 32 divisors (see below), whose sum is σ = 110039040. Its totient is φ = 16044000.

The previous prime is 51518081. The next prime is 51518107. The reversal of 51518094 is 49081515.

It is an interprime number because it is at equal distance from previous prime (51518081) and next prime (51518107).

It is a super-2 number, since 2×51518094² = 5308228018785672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619 + ... + 10169.

It is an arithmetic number, because the mean of its divisors is an integer number (3438720).

Almost surely, 2^51518094 is an apocalyptic number.

51518094 is an abundant number, since it is smaller than the sum of its proper divisors (58520946).

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

51518094 is a wasteful number, since it uses less digits than its factorization.

51518094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 51518094 is about 7177.6106052084. The cubic root of 51518094 is about 372.0945100370.

The spelling of 51518094 in words is "fifty-one million, five hundred eighteen thousand, ninety-four".