53451603602 has 8 divisors (see below), whose sum is σ = 80592832956. Its totient is φ = 26587325952.

The previous prime is 53451603599. The next prime is 53451603613. The reversal of 53451603602 is 20630615435.

It can be written as a sum of positive squares in 2 ways, for example, as 52937266561 + 514337041 = 230081^2 + 22679^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69237443 + ... + 69238214.

Almost surely, 2^53451603602 is an apocalyptic number.

53451603602 is a deficient number, since it is larger than the sum of its proper divisors (27141229354).

53451603602 is a wasteful number, since it uses less digits than its factorization.

53451603602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138475852.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 53451603602 in words is "fifty-three billion, four hundred fifty-one million, six hundred three thousand, six hundred two".