54151603 has 4 divisors (see below), whose sum is σ = 59074488. Its totient is φ = 49228720.

The previous prime is 54151589. The next prime is 54151621. The reversal of 54151603 is 30615145.

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

It is a cyclic number.

It is not a de Polignac number, because 54151603 - 2⁵ = 54151571 is a prime.

It is a super-2 number, since 2×54151603² = 5864792214939218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54151633) 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, 2461426 + ... + 2461447.

It is an arithmetic number, because the mean of its divisors is an integer number (14768622).

Almost surely, 2^54151603 is an apocalyptic number.

54151603 is a deficient number, since it is larger than the sum of its proper divisors (4922885).

54151603 is a wasteful number, since it uses less digits than its factorization.

54151603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922884.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 54151603 is about 7358.7772761512. Note that the first 3 decimals coincide. The cubic root of 54151603 is about 378.3297026353.

Adding to 54151603 its reverse (30615145), we get a palindrome (84766748).

The spelling of 54151603 in words is "fifty-four million, one hundred fifty-one thousand, six hundred three".