54042541551 has 20 divisors (see below), whose sum is σ = 81065225824. Its totient is φ = 35878852800.

The previous prime is 54042541541. The next prime is 54042541571. The reversal of 54042541551 is 15514524045.

54042541551 is a `hidden beast` number, since 5 + 40 + 4 + 25 + 41 + 551 = 666.

It is not a de Polignac number, because 54042541551 - 2⁵ = 54042541519 is a prime.

It is a super-2 number, since 2×54042541551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042541541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1364695 + ... + 1403736.

Almost surely, 2^54042541551 is an apocalyptic number.

54042541551 is a deficient number, since it is larger than the sum of its proper divisors (27022684273).

54042541551 is a wasteful number, since it uses less digits than its factorization.

54042541551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768684 (or 2768675 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 54042541551 in words is "fifty-four billion, forty-two million, five hundred forty-one thousand, five hundred fifty-one".