54661541 has 4 divisors (see below), whose sum is σ = 59630784. Its totient is φ = 49692300.

The previous prime is 54661531. The next prime is 54661571. The reversal of 54661541 is 14516645.

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 a de Polignac number, because none of the positive numbers 2^k-54661541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54661498 and 54661507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54661531) 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, 2484605 + ... + 2484626.

It is an arithmetic number, because the mean of its divisors is an integer number (14907696).

Almost surely, 2^54661541 is an apocalyptic number.

It is an amenable number.

54661541 is a deficient number, since it is larger than the sum of its proper divisors (4969243).

54661541 is a wasteful number, since it uses less digits than its factorization.

54661541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969242.

The product of its digits is 14400, while the sum is 32.

The square root of 54661541 is about 7393.3443717982. The cubic root of 54661541 is about 379.5135534548.

Subtracting from 54661541 its reverse (14516645), we obtain a square (40144896 = 6336²).

It can be divided in two parts, 5466 and 1541, that added together give a palindrome (7007).

The spelling of 54661541 in words is "fifty-four million, six hundred sixty-one thousand, five hundred forty-one".