51433938501 has 16 divisors (see below), whose sum is σ = 75089077248. Its totient is φ = 31057052400.

The previous prime is 51433938473. The next prime is 51433938503. The reversal of 51433938501 is 10583933415.

It is not a de Polignac number, because 51433938501 - 2¹³ = 51433930309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51433938503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2866711 + ... + 2884596.

It is an arithmetic number, because the mean of its divisors is an integer number (4693067328).

Almost surely, 2^51433938501 is an apocalyptic number.

It is an amenable number.

51433938501 is a deficient number, since it is larger than the sum of its proper divisors (23655138747).

51433938501 is a wasteful number, since it uses less digits than its factorization.

51433938501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751592.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 51433938501 in words is "fifty-one billion, four hundred thirty-three million, nine hundred thirty-eight thousand, five hundred one".