54319977 has 28 divisors (see below), whose sum is σ = 82040580. Its totient is φ = 35948448.

The previous prime is 54319973. The next prime is 54320009. The reversal of 54319977 is 77991345.

54319977 is a `hidden beast` number, since 543 + 19 + 97 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 48149721 = 2484^2 + 6939^2 .

It is not a de Polignac number, because 54319977 - 2² = 54319973 is a prime.

It is a super-3 number, since 3×54319977³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54319973) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 195963 + ... + 196239.

Almost surely, 2^54319977 is an apocalyptic number.

It is an amenable number.

54319977 is a deficient number, since it is larger than the sum of its proper divisors (27720603).

54319977 is an equidigital number, since it uses as much as digits as its factorization.

54319977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 549 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 54319977 is about 7370.2087487398. The cubic root of 54319977 is about 378.7214114291.

The spelling of 54319977 in words is "fifty-four million, three hundred nineteen thousand, nine hundred seventy-seven".