54578027775 has 12 divisors (see below), whose sum is σ = 90235672712. Its totient is φ = 29108281440.

The previous prime is 54578027773. The next prime is 54578027789. The reversal of 54578027775 is 57772087545.

It is not a de Polignac number, because 54578027775 - 2¹ = 54578027773 is a prime.

It is a super-2 number, since 2×54578027775² (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 (54578027773) 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, 363853444 + ... + 363853593.

Almost surely, 2^54578027775 is an apocalyptic number.

54578027775 is a deficient number, since it is larger than the sum of its proper divisors (35657644937).

54578027775 is a wasteful number, since it uses less digits than its factorization.

54578027775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727707050 (or 727707045 counting only the distinct ones).

The product of its (nonzero) digits is 19208000, while the sum is 57.

The spelling of 54578027775 in words is "fifty-four billion, five hundred seventy-eight million, twenty-seven thousand, seven hundred seventy-five".