52403137 has 8 divisors (see below), whose sum is σ = 54024296. Its totient is φ = 50792832.

The previous prime is 52403119. The next prime is 52403171. The reversal of 52403137 is 73130425.

It can be written as a sum of positive squares in 4 ways, for example, as 505521 + 51897616 = 711^2 + 7204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52403137 - 2⁷ = 52403009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52403107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7693 + ... + 12805.

It is an arithmetic number, because the mean of its divisors is an integer number (6753037).

Almost surely, 2^52403137 is an apocalyptic number.

It is an amenable number.

52403137 is a deficient number, since it is larger than the sum of its proper divisors (1621159).

52403137 is a wasteful number, since it uses less digits than its factorization.

52403137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52403137 is about 7239.0011051249. The cubic root of 52403137 is about 374.2131935756.

The spelling of 52403137 in words is "fifty-two million, four hundred three thousand, one hundred thirty-seven".