54552778 has 32 divisors (see below), whose sum is σ = 96105600. Its totient is φ = 23214240.

The previous prime is 54552761. The next prime is 54552809. The reversal of 54552778 is 87725545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192625 + ... + 192907.

It is an arithmetic number, because the mean of its divisors is an integer number (3003300).

Almost surely, 2^54552778 is an apocalyptic number.

54552778 is a deficient number, since it is larger than the sum of its proper divisors (41552822).

54552778 is a wasteful number, since it uses less digits than its factorization.

54552778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 573 counting only the distinct ones).

The product of its digits is 392000, while the sum is 43.

The square root of 54552778 is about 7385.9852423356. The cubic root of 54552778 is about 379.2616734968.

The spelling of 54552778 in words is "fifty-four million, five hundred fifty-two thousand, seven hundred seventy-eight".