54978826 has 8 divisors (see below), whose sum is σ = 94249440. Its totient is φ = 23562348.

The previous prime is 54978817. The next prime is 54978829. The reversal of 54978826 is 62887945.

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

It is a self number, because there is not a number n which added to its sum of digits gives 54978826.

It is not an unprimeable number, because it can be changed into a prime (54978829) 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, 1963516 + ... + 1963543.

It is an arithmetic number, because the mean of its divisors is an integer number (11781180).

Almost surely, 2^54978826 is an apocalyptic number.

54978826 is a deficient number, since it is larger than the sum of its proper divisors (39270614).

54978826 is a wasteful number, since it uses less digits than its factorization.

54978826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927068.

The product of its digits is 967680, while the sum is 49.

The square root of 54978826 is about 7414.7707988852. The cubic root of 54978826 is about 380.2464375604.

The spelling of 54978826 in words is "fifty-four million, nine hundred seventy-eight thousand, eight hundred twenty-six".