51542334 has 48 divisors (see below), whose sum is σ = 119031120. Its totient is φ = 16062720.

The previous prime is 51542321. The next prime is 51542347. The reversal of 51542334 is 43324515.

It is an interprime number because it is at equal distance from previous prime (51542321) and next prime (51542347).

It is a super-2 number, since 2×51542334² = 5313224388335112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51542298 and 51542307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54304 + ... + 55244.

It is an arithmetic number, because the mean of its divisors is an integer number (2479815).

Almost surely, 2^51542334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51542334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59515560).

51542334 is an abundant number, since it is smaller than the sum of its proper divisors (67488786).

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

51542334 is a wasteful number, since it uses less digits than its factorization.

51542334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 51542334 is about 7179.2989908486. The cubic root of 51542334 is about 372.1528594827.

Adding to 51542334 its reverse (43324515), we get a palindrome (94866849).

It can be divided in two parts, 515 and 42334, that added together give a square (42849 = 207²).

The spelling of 51542334 in words is "fifty-one million, five hundred forty-two thousand, three hundred thirty-four".