54049090 has 8 divisors (see below), whose sum is σ = 97288380. Its totient is φ = 21619632.

The previous prime is 54049087. The next prime is 54049097. The reversal of 54049090 is 9094045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50140561 + 3908529 = 7081^2 + 1977^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54049097) 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, 2702445 + ... + 2702464.

Almost surely, 2^54049090 is an apocalyptic number.

54049090 is a deficient number, since it is larger than the sum of its proper divisors (43239290).

54049090 is a wasteful number, since it uses less digits than its factorization.

54049090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404916.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 54049090 is about 7351.8086210129. The cubic root of 54049090 is about 378.0908164349.

The spelling of 54049090 in words is "fifty-four million, forty-nine thousand, ninety".