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54997712 = 2471144641
BaseRepresentation
bin1101000111001…
…1001011010000
310211111011200022
43101303023100
5103034411322
65242443012
71235321120
oct321631320
9124434608
1054997712
1129054660
1216503468
13b518133
147438c80
154c65942
hex34732d0

54997712 has 40 divisors (see below), whose sum is σ = 132854592. Its totient is φ = 21427200.

The previous prime is 54997711. The next prime is 54997721. The reversal of 54997712 is 21779945.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54997711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21089 + ... + 23552.

Almost surely, 254997712 is an apocalyptic number.

It is an amenable number.

54997712 is an abundant number, since it is smaller than the sum of its proper divisors (77856880).

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

54997712 is a wasteful number, since it uses less digits than its factorization.

54997712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44667 (or 44661 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 54997712 is about 7416.0442285628. The cubic root of 54997712 is about 380.2899725756.

The spelling of 54997712 in words is "fifty-four million, nine hundred ninety-seven thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 44641 89282 178564 312487 357128 491051 624974 714256 982102 1249948 1964204 2499896 3437357 3928408 4999792 6874714 7856816 13749428 27498856 54997712