54920085 has 24 divisors (see below), whose sum is σ = 96589920. Its totient is φ = 26627040.

The previous prime is 54920083. The next prime is 54920141. The reversal of 54920085 is 58002945.

It is not a de Polignac number, because 54920085 - 2¹ = 54920083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54920083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13315 + ... + 16944.

It is an arithmetic number, because the mean of its divisors is an integer number (4024580).

Almost surely, 2^54920085 is an apocalyptic number.

54920085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54920085 is a deficient number, since it is larger than the sum of its proper divisors (41669835).

54920085 is a wasteful number, since it uses less digits than its factorization.

54920085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30289 (or 30278 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 54920085 is about 7410.8086603285. The cubic root of 54920085 is about 380.1109671307.

The spelling of 54920085 in words is "fifty-four million, nine hundred twenty thousand, eighty-five".