51003542 has 8 divisors (see below), whose sum is σ = 76535616. Its totient is φ = 25491672.

The previous prime is 51003541. The next prime is 51003551. The reversal of 51003542 is 24530015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51003542² = 5202722593091528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51003541) 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, 7508 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (9566952).

Almost surely, 2^51003542 is an apocalyptic number.

51003542 is a deficient number, since it is larger than the sum of its proper divisors (25532074).

51003542 is a wasteful number, since it uses less digits than its factorization.

51003542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51003542 is about 7141.6764138401. The cubic root of 51003542 is about 370.8515618640.

Adding to 51003542 its reverse (24530015), we get a palindrome (75533557).

The spelling of 51003542 in words is "fifty-one million, three thousand, five hundred forty-two".