54999790 has 8 divisors (see below), whose sum is σ = 98999640. Its totient is φ = 21999912.

The previous prime is 54999761. The next prime is 54999793. The reversal of 54999790 is 9799945.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54999793) 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, 2749980 + ... + 2749999.

It is an arithmetic number, because the mean of its divisors is an integer number (12374955).

Almost surely, 2^54999790 is an apocalyptic number.

54999790 is a deficient number, since it is larger than the sum of its proper divisors (43999850).

54999790 is a wasteful number, since it uses less digits than its factorization.

54999790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499986.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 54999790 is about 7416.1843288850. The cubic root of 54999790 is about 380.2947620634.

The spelling of 54999790 in words is "fifty-four million, nine hundred ninety-nine thousand, seven hundred ninety".