51019342 has 16 divisors (see below), whose sum is σ = 84316464. Its totient is φ = 22960000.

The previous prime is 51019333. The next prime is 51019343. The reversal of 51019342 is 24391015.

It is a super-2 number, since 2×51019342² = 5205946516225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51019343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9259 + ... + 13702.

It is an arithmetic number, because the mean of its divisors is an integer number (5269779).

Almost surely, 2^51019342 is an apocalyptic number.

51019342 is a deficient number, since it is larger than the sum of its proper divisors (33297122).

51019342 is a wasteful number, since it uses less digits than its factorization.

51019342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23075.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 51019342 is about 7142.7825110387. The cubic root of 51019342 is about 370.8898523402.

The spelling of 51019342 in words is "fifty-one million, nineteen thousand, three hundred forty-two".