52451740 has 24 divisors (see below), whose sum is σ = 120162672. Its totient is φ = 19073280.

The previous prime is 52451719. The next prime is 52451743. The reversal of 52451740 is 4715425.

It is a junction number, because it is equal to n+sod(n) for n = 52451699 and 52451708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118989 + ... + 119428.

It is an arithmetic number, because the mean of its divisors is an integer number (5006778).

Almost surely, 2^52451740 is an apocalyptic number.

It is an amenable number.

52451740 is an abundant number, since it is smaller than the sum of its proper divisors (67710932).

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

52451740 is a wasteful number, since it uses less digits than its factorization.

52451740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238437 (or 238435 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 52451740 is about 7242.3573510287. The cubic root of 52451740 is about 374.3288499071.

The spelling of 52451740 in words is "fifty-two million, four hundred fifty-one thousand, seven hundred forty".