53042400432 has 90 divisors (see below), whose sum is σ = 172681000908. Its totient is φ = 15154969536.

The previous prime is 53042400431. The next prime is 53042400461. The reversal of 53042400432 is 23400424035.

It is a junction number, because it is equal to n+sod(n) for n = 53042400396 and 53042400405.

It is not an unprimeable number, because it can be changed into a prime (53042400431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3751618 + ... + 3765729.

Almost surely, 2^53042400432 is an apocalyptic number.

It is an amenable number.

53042400432 is an abundant number, since it is smaller than the sum of its proper divisors (119638600476).

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

53042400432 is a wasteful number, since it uses less digits than its factorization.

53042400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517375 (or 7517359 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 53042400432 its reverse (23400424035), we get a palindrome (76442824467).

The spelling of 53042400432 in words is "fifty-three billion, forty-two million, four hundred thousand, four hundred thirty-two".