54990195 has 16 divisors (see below), whose sum is σ = 94752672. Its totient is φ = 27072000.

The previous prime is 54990193. The next prime is 54990197. The reversal of 54990195 is 59109945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54990193) and next prime (54990197).

It is not a de Polignac number, because 54990195 - 2¹ = 54990193 is a prime.

It is a super-2 number, since 2×54990195² = 6047843092276050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54990191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140806 + ... + 141195.

It is an arithmetic number, because the mean of its divisors is an integer number (5922042).

Almost surely, 2^54990195 is an apocalyptic number.

54990195 is a deficient number, since it is larger than the sum of its proper divisors (39762477).

54990195 is a wasteful number, since it uses less digits than its factorization.

54990195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282022.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 54990195 is about 7415.5374046660. The cubic root of 54990195 is about 380.2726459762.

The spelling of 54990195 in words is "fifty-four million, nine hundred ninety thousand, one hundred ninety-five".