54919617 has 4 divisors (see below), whose sum is σ = 73226160. Its totient is φ = 36613076.

The previous prime is 54919589. The next prime is 54919621. The reversal of 54919617 is 71691945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54919617 - 2⁷ = 54919489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54919217) 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, 9153267 + ... + 9153272.

It is an arithmetic number, because the mean of its divisors is an integer number (18306540).

Almost surely, 2^54919617 is an apocalyptic number.

It is an amenable number.

54919617 is a deficient number, since it is larger than the sum of its proper divisors (18306543).

54919617 is a wasteful number, since it uses less digits than its factorization.

54919617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18306542.

The product of its digits is 68040, while the sum is 42.

The square root of 54919617 is about 7410.7770847597. Note that the first 3 decimals coincide. The cubic root of 54919617 is about 380.1098874259.

The spelling of 54919617 in words is "fifty-four million, nine hundred nineteen thousand, six hundred seventeen".