51430553432 has 16 divisors (see below), whose sum is σ = 97790490000. Its totient is φ = 25353089440.

The previous prime is 51430553431. The next prime is 51430553459. The reversal of 51430553432 is 23435503415.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51430553392 and 51430553401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51430553431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45272807 + ... + 45273942.

It is an arithmetic number, because the mean of its divisors is an integer number (6111905625).

Almost surely, 2^51430553432 is an apocalyptic number.

It is an amenable number.

51430553432 is a deficient number, since it is larger than the sum of its proper divisors (46359936568).

51430553432 is a wasteful number, since it uses less digits than its factorization.

51430553432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90546826 (or 90546822 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 51430553432 in words is "fifty-one billion, four hundred thirty million, five hundred fifty-three thousand, four hundred thirty-two".