54503478 has 12 divisors (see below), whose sum is σ = 118090908.
Its totient is φ = 18167820.
The previous prime is 54503461. The next prime is 54503507. The reversal of 54503478 is 87430545.
It is a super-2 number, since 2×545034782 = 5941258228192968, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1513968 + ... + 1514003.
It is an arithmetic number, because the mean of its divisors is an integer number (9840909).
Almost surely, 254503478 is an apocalyptic number.
54503478 is an abundant number, since it is smaller than the sum of its proper divisors (63587430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54503478 is a wasteful number, since it uses less digits than its factorization.
54503478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3027979 (or 3027976 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 54503478 is about 7382.6470862422.
The cubic root of 54503478 is about 379.1473912889.
The spelling of 54503478 in words is "fifty-four million, five hundred three thousand, four hundred seventy-eight".