54802690 has 8 divisors (see below), whose sum is σ = 98644860. Its totient is φ = 21921072.

The previous prime is 54802687. The next prime is 54802697. The reversal of 54802690 is 9620845.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54774801 + 27889 = 7401^2 + 167^2 .

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

It is a super-2 number, since 2×54802690² = 6006669662472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54802697) 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, 2740125 + ... + 2740144.

Almost surely, 2^54802690 is an apocalyptic number.

54802690 is a deficient number, since it is larger than the sum of its proper divisors (43842170).

54802690 is a wasteful number, since it uses less digits than its factorization.

54802690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480276.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 54802690 is about 7402.8838975091. The cubic root of 54802690 is about 379.8399372050.

The spelling of 54802690 in words is "fifty-four million, eight hundred two thousand, six hundred ninety".