54401802506 has 8 divisors (see below), whose sum is σ = 81609135744. Its totient is φ = 27198757260.

The previous prime is 54401802439. The next prime is 54401802517. The reversal of 54401802506 is 60520810445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×54401802506² (a number of 22 digits) contains 22 as substring.

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, 1040090 + ... + 1091141.

It is an arithmetic number, because the mean of its divisors is an integer number (10201141968).

Almost surely, 2^54401802506 is an apocalyptic number.

54401802506 is a deficient number, since it is larger than the sum of its proper divisors (27207333238).

54401802506 is a wasteful number, since it uses less digits than its factorization.

54401802506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143996.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 54401802506 in words is "fifty-four billion, four hundred one million, eight hundred two thousand, five hundred six".