54771554 has 4 divisors (see below), whose sum is σ = 82157334. Its totient is φ = 27385776.

The previous prime is 54771523. The next prime is 54771559. The reversal of 54771554 is 45517745.

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

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 13490929 = 6425^2 + 3673^2 .

It is not an unprimeable number, because it can be changed into a prime (54771559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13692887 + ... + 13692890.

Almost surely, 2^54771554 is an apocalyptic number.

54771554 is a deficient number, since it is larger than the sum of its proper divisors (27385780).

54771554 is a wasteful number, since it uses less digits than its factorization.

54771554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27385779.

The product of its digits is 98000, while the sum is 38.

The square root of 54771554 is about 7400.7806345007. The cubic root of 54771554 is about 379.7679885667.

The spelling of 54771554 in words is "fifty-four million, seven hundred seventy-one thousand, five hundred fifty-four".