501401133054 has 24 divisors (see below), whose sum is σ = 1097125255512. Its totient is φ = 165478921200.

The previous prime is 501401133041. The next prime is 501401133059. The reversal of 501401133054 is 450331104105.

It is a happy number.

501401133054 is a `hidden beast` number, since 501 + 40 + 113 + 3 + 0 + 5 + 4 = 666.

It is a super-2 number, since 2×501401133054² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501401133059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137897284 + ... + 137900919.

It is an arithmetic number, because the mean of its divisors is an integer number (45713552313).

Almost surely, 2^501401133054 is an apocalyptic number.

501401133054 is an abundant number, since it is smaller than the sum of its proper divisors (595724122458).

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

501401133054 is a wasteful number, since it uses less digits than its factorization.

501401133054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275798312 (or 275798309 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 501401133054 its reverse (450331104105), we get a palindrome (951732237159).

The spelling of 501401133054 in words is "five hundred one billion, four hundred one million, one hundred thirty-three thousand, fifty-four".