54121775 has 12 divisors (see below), whose sum is σ = 67336464. Its totient is φ = 43152000.

The previous prime is 54121741. The next prime is 54121799. The reversal of 54121775 is 57712145.

It is a de Polignac number, because none of the positive numbers 2^k-54121775 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4295 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (5611372).

Almost surely, 2^54121775 is an apocalyptic number.

54121775 is a deficient number, since it is larger than the sum of its proper divisors (13214689).

54121775 is a wasteful number, since it uses less digits than its factorization.

54121775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282 (or 7277 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 54121775 is about 7356.7503015938. The cubic root of 54121775 is about 378.2602255231.

The spelling of 54121775 in words is "fifty-four million, one hundred twenty-one thousand, seven hundred seventy-five".