51654342 has 16 divisors (see below), whose sum is σ = 105828912. Its totient is φ = 16798080.

The previous prime is 51654319. The next prime is 51654371. The reversal of 51654342 is 24345615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104743 + ... + 105234.

It is an arithmetic number, because the mean of its divisors is an integer number (6614307).

Almost surely, 2^51654342 is an apocalyptic number.

51654342 is an abundant number, since it is smaller than the sum of its proper divisors (54174570).

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

51654342 is a wasteful number, since it uses less digits than its factorization.

51654342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210023.

The product of its digits is 14400, while the sum is 30.

The square root of 51654342 is about 7187.0955190536. The cubic root of 51654342 is about 372.4222428272.

Adding to 51654342 its reverse (24345615), we get a palindrome (75999957).

The spelling of 51654342 in words is "fifty-one million, six hundred fifty-four thousand, three hundred forty-two".