51150642 has 16 divisors (see below), whose sum is σ = 103315392. Its totient is φ = 16881200.

The previous prime is 51150623. The next prime is 51150661. The reversal of 51150642 is 24605115.

It is an interprime number because it is at equal distance from previous prime (51150623) and next prime (51150661).

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, 41598 + ... + 42809.

It is an arithmetic number, because the mean of its divisors is an integer number (6457212).

Almost surely, 2^51150642 is an apocalyptic number.

51150642 is an abundant number, since it is smaller than the sum of its proper divisors (52164750).

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

51150642 is a wasteful number, since it uses less digits than its factorization.

51150642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84513.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51150642 is about 7151.9677012694. The cubic root of 51150642 is about 371.2077456472.

Adding to 51150642 its reverse (24605115), we get a palindrome (75755757).

The spelling of 51150642 in words is "fifty-one million, one hundred fifty thousand, six hundred forty-two".