53555421434404 has 12 divisors (see below), whose sum is σ = 93729344690800. Its totient is φ = 26775608665608.

The previous prime is 53555421434393. The next prime is 53555421434503. The reversal of 53555421434404 is 40443412455535.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 525455574 + ... + 525557485.

Almost surely, 2^{53555421434404} is an apocalyptic number.

It is an amenable number.

53555421434404 is a deficient number, since it is larger than the sum of its proper divisors (40173923256396).

53555421434404 is a wasteful number, since it uses less digits than its factorization.

53555421434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051025802 (or 1051025800 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 49.

Adding to 53555421434404 its reverse (40443412455535), we get a palindrome (93998833889939).

The spelling of 53555421434404 in words is "fifty-three trillion, five hundred fifty-five billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred four".