51524742 has 24 divisors (see below), whose sum is σ = 104665176. Its totient is φ = 16909728.

The previous prime is 51524719. The next prime is 51524743. The reversal of 51524742 is 24742515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51524743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25978 + ... + 27890.

It is an arithmetic number, because the mean of its divisors is an integer number (4361049).

Almost surely, 2^51524742 is an apocalyptic number.

51524742 is an abundant number, since it is smaller than the sum of its proper divisors (53140434).

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

51524742 is a wasteful number, since it uses less digits than its factorization.

51524742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 1985 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 51524742 is about 7178.0736970304. The cubic root of 51524742 is about 372.1105146269.

The spelling of 51524742 in words is "fifty-one million, five hundred twenty-four thousand, seven hundred forty-two".