54770381 has 4 divisors (see below), whose sum is σ = 55312764. Its totient is φ = 54228000.

The previous prime is 54770377. The next prime is 54770393. The reversal of 54770381 is 18307745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25664356 + 29106025 = 5066^2 + 5395^2 .

It is a cyclic number.

It is not a de Polignac number, because 54770381 - 2² = 54770377 is a prime.

It is a super-2 number, since 2×54770381² = 5999589269770322, which 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 (54770321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271040 + ... + 271241.

It is an arithmetic number, because the mean of its divisors is an integer number (13828191).

Almost surely, 2^54770381 is an apocalyptic number.

It is an amenable number.

54770381 is a deficient number, since it is larger than the sum of its proper divisors (542383).

54770381 is a wasteful number, since it uses less digits than its factorization.

54770381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542382.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 54770381 is about 7400.7013856796. The cubic root of 54770381 is about 379.7652774816.

The spelling of 54770381 in words is "fifty-four million, seven hundred seventy thousand, three hundred eighty-one".