54811761 has 8 divisors (see below), whose sum is σ = 73287360. Its totient is φ = 36438672.

The previous prime is 54811747. The next prime is 54811781. The reversal of 54811761 is 16711845.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54811761 - 2⁶ = 54811697 is a prime.

It is a super-2 number, since 2×54811761² = 6008658287842242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54811721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24370 + ... + 26523.

It is an arithmetic number, because the mean of its divisors is an integer number (9160920).

Almost surely, 2^54811761 is an apocalyptic number.

It is an amenable number.

54811761 is a deficient number, since it is larger than the sum of its proper divisors (18475599).

54811761 is a wasteful number, since it uses less digits than its factorization.

54811761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51255.

The product of its digits is 6720, while the sum is 33.

The square root of 54811761 is about 7403.4965387984. The cubic root of 54811761 is about 379.8608932200.

The spelling of 54811761 in words is "fifty-four million, eight hundred eleven thousand, seven hundred sixty-one".