54035661 has 4 divisors (see below), whose sum is σ = 72047552. Its totient is φ = 36023772.

The previous prime is 54035627. The next prime is 54035687. The reversal of 54035661 is 16653045.

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 not a de Polignac number, because 54035661 - 2¹⁰ = 54034637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54034661) 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, 9005941 + ... + 9005946.

It is an arithmetic number, because the mean of its divisors is an integer number (18011888).

Almost surely, 2^54035661 is an apocalyptic number.

It is an amenable number.

54035661 is a deficient number, since it is larger than the sum of its proper divisors (18011891).

54035661 is a wasteful number, since it uses less digits than its factorization.

54035661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011890.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54035661 is about 7350.8952516003. The cubic root of 54035661 is about 378.0595004458.

The spelling of 54035661 in words is "fifty-four million, thirty-five thousand, six hundred sixty-one".