54916820 has 24 divisors (see below), whose sum is σ = 131800704. Its totient is φ = 18828576.

The previous prime is 54916793. The next prime is 54916879. The reversal of 54916820 is 2861945.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195992 + ... + 196271.

It is an arithmetic number, because the mean of its divisors is an integer number (5491696).

Almost surely, 2^54916820 is an apocalyptic number.

It is an amenable number.

54916820 is an abundant number, since it is smaller than the sum of its proper divisors (76883884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54916820 is a wasteful number, since it uses less digits than its factorization.

54916820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392279 (or 392277 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54916820 is about 7410.5883707031. The cubic root of 54916820 is about 380.1034344469.

The spelling of 54916820 in words is "fifty-four million, nine hundred sixteen thousand, eight hundred twenty".