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54788 = 2213697
BaseRepresentation
bin1101011000000100
32210011012
431120010
53223123
61101352
7315506
oct153004
983135
1054788
1138188
1227858
131bc26
1415d76
1511378
hexd604

54788 has 6 divisors (see below), whose sum is σ = 95886. Its totient is φ = 27392.

The previous prime is 54787. The next prime is 54799. The reversal of 54788 is 88745.

It can be written as a sum of positive squares in only one way, i.e., 31684 + 23104 = 178^2 + 152^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (54787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845 + ... + 6852.

It is an arithmetic number, because the mean of its divisors is an integer number (15981).

254788 is an apocalyptic number.

It is an amenable number.

54788 is a deficient number, since it is larger than the sum of its proper divisors (41098).

54788 is a wasteful number, since it uses less digits than its factorization.

54788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13701 (or 13699 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 54788 is about 234.0683660814. The cubic root of 54788 is about 37.9805995153.

Subtracting from 54788 its sum of digits (32), we obtain a square (54756 = 2342).

The spelling of 54788 in words is "fifty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 13697 27394 54788