54890707 has 4 divisors (see below), whose sum is σ = 56783520. Its totient is φ = 52997896.

The previous prime is 54890687. The next prime is 54890711. The reversal of 54890707 is 70709845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54890707 - 2⁷ = 54890579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54890707.

It is not an unprimeable number, because it can be changed into a prime (54890207) 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, 946363 + ... + 946420.

It is an arithmetic number, because the mean of its divisors is an integer number (14195880).

Almost surely, 2^54890707 is an apocalyptic number.

54890707 is a deficient number, since it is larger than the sum of its proper divisors (1892813).

54890707 is a wasteful number, since it uses less digits than its factorization.

54890707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892812.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 54890707 is about 7408.8262903108. The cubic root of 54890707 is about 380.0431783807.

The spelling of 54890707 in words is "fifty-four million, eight hundred ninety thousand, seven hundred seven".